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Patent Assignment Assignor Details
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Assignor Name : SEKIGUCHI, KATSUMI
Total Assignments: 21
Assignment: 1
Reel/Frame:003977/0345   Pages: 4
Recorded: 02/11/1982
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
KAWAI, YOICHI
Exec Dt:
02/01/1982
2
NAKAMURA, YOSHIRO
Exec Dt:
02/01/1982
3
GOTOH, YOSHIHISA
Exec Dt:
02/01/1982
4
MAKI, MASAMI
Exec Dt:
02/01/1982
5
YOKOTE, SACHIO
Exec Dt:
02/01/1982
6
SEKIGUCHI, KATSUMI
Exec Dt:
02/01/1982
Assignee
1
MITSUI TOATSU CHEMICALS, INCORPORATED, A CORP. OF JAPAN
NO. 2-5, KASUMIGASEKI 3-CHOME, CHIYODA-KU
TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4425262
NONE
06347996
Correspondence name and address
FISHER, CHRISTEN & SABOL
STE. 507, 1000 CONNECTICUT AVE., N. W.
WASHINGTON, DC 20036
Assignment: 2
Reel/Frame:003977/0349   Pages: 4
Recorded: 02/11/1982
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
IMAI, MASAO
Exec Dt:
02/01/1982
2
GOTOH, YOSHIHISA
Exec Dt:
02/01/1982
3
KAWAI, YOICHI
Exec Dt:
02/01/1982
4
MAKI, MASAMI
Exec Dt:
02/01/1982
5
YOKOTE, SACHIO
Exec Dt:
02/01/1982
6
SEKIGUCHI, KATSUMI
Exec Dt:
02/01/1982
7
SASAGAWA, KATSUYOSHI
Exec Dt:
02/01/1982
Assignee
1
MITSUI TOATSU CHEMICALS, INCORPORATED, A CORP. OF JAPAN
NO. 2-5, KASUMIGASEKI 3-CHOME, CHIYODA-KU
TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4481131
NONE
06347997
Correspondence name and address
FISHER, CHRISTEN & SABOL
STE. 507, 1000 CONNECTICUT AVE. N. W.
WASHINGTON, DC 20036
Assignment: 3
Reel/Frame:003987/0370   Pages: 1
Recorded: 04/07/1982
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
KAWAI, YOICHI
Exec Dt:
02/15/1982
2
GOTOH, YOSHIHISA
Exec Dt:
02/15/1982
3
YOKOTE, SACHIO
Exec Dt:
02/15/1982
4
MAKI, MASAMI
Exec Dt:
02/15/1982
5
SEKIGUCHI, KATSUMI
Exec Dt:
02/15/1982
Assignee
1
MITSUI TOATSU CHEMICALS, INCORPORATED
NO. 2-5, KASUMIGASEKI 3-CHOME, CHIYODA-KU
TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4510079
NONE
06366208
Correspondence name and address
MC GLEW & TUTTLE
28 WEST 44TH ST.
NEW YORK, NY 10036
Assignment: 4
Reel/Frame:004131/0703   Pages: 2
Recorded: 05/17/1983
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
KAWAI, YOICHI
Exec Dt:
04/25/1983
2
GOTOH, YOSHIHISA
Exec Dt:
04/25/1983
3
MAKI, MASAMI
Exec Dt:
04/25/1983
4
YOSHIHARA, AKIO
Exec Dt:
04/25/1983
5
HOSHINO, MINORU
Exec Dt:
04/25/1983
6
SEKIGUCHI, KATSUMI
Exec Dt:
04/25/1983
Assignee
1
MITSUI TOATSU CHEMICALS, INCORPORATED, NO. 2-5, KASUMIGASEKI 3-CHOME, CHIYODA-KU, TOKYO, JAPAN, A CORP. OF JAPAN
JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4480065
NONE
06495255
Correspondence name and address
FISHER, CHRISTEN & SABOL
STE. 507, 1000 CONNECTICUT AVE., N. W.
WASHINGTON, DC 20036
Assignment: 5
Reel/Frame:004426/0426   Pages: 1
Recorded: 03/29/1985
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
KAWAI, YOICHI
Exec Dt:
03/15/1985
2
ABE, MASARU
Exec Dt:
03/15/1985
3
SEKIGUCHI, KATSUMI
Exec Dt:
03/15/1985
4
YOSHIHARA, AKIO
Exec Dt:
03/15/1985
5
HAYASHI, SHIGERU
Exec Dt:
03/15/1985
Assignee
1
MITSUI TOATSU CHEMICALS, INCORPORATED
2-5, KASUMIGASEKI 3-CHOME, CHIYODA-KU
TOKYO 100, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4626565
NONE
06722013
Correspondence name and address
MCGLEW AND TUTTLE
28 WEST 44TH ST.
NEW YORK, NY 10036
Assignment: 6
Reel/Frame:004542/0597   Pages: 2
Recorded: 03/19/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
YOKOTE, SACHIO
Exec Dt:
02/26/1986
2
SEKIGUCHI, KATSUMI
Exec Dt:
02/26/1986
Assignee
1
MITSUI TOATSU CHEMICALS, INCORPORATED
2-5, KASUMIGASEKI 3-CHOME, CHIYODA-KU
TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4734450
NONE
06841265
Correspondence name and address
FISHER, CHRISTEN & SABOL
2000 L STREET, N.W., STE. 510
WASHINGTON, DC 20036
Assignment: 7
Reel/Frame:004533/0597   Pages: 1
Recorded: 03/25/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
NOZAKI, HIROYOSHI
Exec Dt:
02/25/1986
2
HARA, HIROFUMI
Exec Dt:
02/24/1986
3
ABE, MASARU
Exec Dt:
03/03/1986
4
SEKIGUCHI, KATSUMI
Exec Dt:
03/03/1986
5
EBISAWA, HIROO
Exec Dt:
02/20/1986
Assignees
1
HONDA GIKEN KOGYO KABUSHIKI KAISHA
1-1, MINAMI-AOYAMA 2-CHOME, MINATO-KU
TOKYO, JAPAN
2
MITSUI TOATSU CHEMICALS, INC.
2-5, KASUMIGASEKI 3-CHOME, CHIYODA-KU
TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4724057
NONE
06844041
Correspondence name and address
ARMSTRONG, NIKAIDO, MARMELSTEIN
& KUBOVCIK, STE. 912
1725 K STREET, N.W.
WASHINGTON, DC 20006
Assignment: 8
Reel/Frame:004536/0152   Pages: 2
Recorded: 03/28/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
SEKIGUCHI, KATSUMI
Exec Dt:
03/25/1986
Assignee
1
MITSUI TOATSU CHEMICALS, INCORPORATED, A CORP. OF JAPAN
2-5, KASUMIGASEKI 3-CHOME, CHIYODA-KU
TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4705818
NONE
06845506
Correspondence name and address
FISHER, CHRISTEN & SABOL
2000 L STREET, N.W.
SUITE 510
WASHINGTON, D.C. 20036
Assignment: 9
Reel/Frame:004627/0857   Pages: 3
Recorded: 11/07/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
NOGIWA, MOTOMI
Exec Dt:
10/29/1986
2
AKAI, SACHIO
Exec Dt:
10/29/1986
3
FURUHASHI, HIROSHI
Exec Dt:
10/29/1986
4
TANAKA, KENJI
Exec Dt:
10/29/1986
5
TAKAKUSAKI, TOSHIMASA
Exec Dt:
10/29/1986
6
KAWAI, YOICHI
Exec Dt:
10/23/1986
7
ABE, MASARU
Exec Dt:
10/23/1986
8
SEKIGUCHI, KATSUMI
Exec Dt:
10/23/1986
Assignees
1
NIPPON PETROCHEMICALS COMPANY, LIMITED
3-1, UCHISAIWAICHO 1-CHOME, CHIYODA-KU,
A CORP OF JAPAN
TOKYO, JAPAN
2
MITSUI TOATSU CHEMICALS, INC.
2-5, KASUMIGASEKI 3-CHOME, CHIYODA-KU,
A CORP OF JAPAN
TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4748206
NONE
06929071
Correspondence name and address
SCULLY, SCOTT, MURPHY & PRESSER
200 GARDEN CITY PLAZA
GARDEN CITY, NY 11530-3391
Assignment: 10
Reel/Frame:004875/0086   Pages: 1
Recorded: 02/22/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
ABE, MASARU
Exec Dt:
01/18/1988
2
KAWAI, YOICHI
Exec Dt:
01/18/1988
3
HOSHINO, MINORU
Exec Dt:
01/18/1988
4
SEKIGUCHI, KATSUMI
Exec Dt:
01/18/1988
Assignee
1
MITSUI TOATSU CHEMICALS, INCORPORATED
2-5, KASUMIGASEKI 3-CHOME
CHIYODA-KU
TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4891392
NONE
07158460
Correspondence name and address
MILLEN AND WHITE
503 CRYSTAL MALL 1
1911 JEFFERSON DAVIS HWY.
ARLINGTON, VA 22202
Assignment: 11
Reel/Frame:005641/0807   Pages: 2
Recorded: 03/13/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
NITTA, KATSUYUKI
Exec Dt:
03/04/1991
2
SUEHIRO, KEIGO
Exec Dt:
03/04/1991
3
KAWAI, YOICHI
Exec Dt:
03/04/1991
4
SEKIGUCHI, KATSUMI
Exec Dt:
03/04/1991
5
INOKUMA, TAKEAKI
Exec Dt:
03/04/1991
6
KAMIYA, YOSHIYASU
Exec Dt:
03/04/1991
Assignee
1
MITSUI TOATSU CHEMICALS, INC.
2-5, KASUMIGASEKI, 3-CHOME, CHIYODA-KU
A CORP OF JAPAN
TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5247007
NONE
07669015
Correspondence name and address
BURNS, DOANE, SWECKER & MATHIS
GEROGE MASON BLDG., WASH. & PRINCE STS.
P.O. BOX 1404
ALEXANDRIA, VA 22313-1404
Assignment: 12
Reel/Frame:006013/0276   Pages: 3
Recorded: 02/11/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
SUGIHARA, EIICHI
Exec Dt:
01/20/1992
2
SUEHIRO, KEIGO
Exec Dt:
01/20/1992
3
SEKIGUCHI, KATSUMI
Exec Dt:
01/20/1992
4
HOSHINO, MINORU
Exec Dt:
01/20/1992
Assignee
1
MITSUI TOATSU CHEMICALS, INC.
2-5, KASUMIGASEKI 3-CHOME, CHIYODA-KU
A CORPORATION OF JAPAN
TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5256734
NONE
07833755
Correspondence name and address
BURNS, DOANE, SWECKER AND MATHIS
GEORGE MASON BLDG. WASH. & PRINCE STS.
P. O. BOX 1404
ALEXANDRIA, VA 22313-1404
Assignment: 13
Reel/Frame:006210/0977   Pages: 3
Recorded: 04/28/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
SUEHIRO, KEIGO
Exec Dt:
04/23/1992
2
NITTA, KATSUYUKI
Exec Dt:
04/23/1992
3
SEKIGUCHI, KATSUMI
Exec Dt:
04/23/1992
4
INOKUMA, TAKEAKI
Exec Dt:
04/23/1992
5
OGAWA, CHIHIRO
Exec Dt:
04/23/1992
6
AOKI, OSAMU
Exec Dt:
04/23/1992
7
HAMABE, KENJI
Exec Dt:
04/23/1992
8
TAKEUCHI, ATSUSHI
Exec Dt:
04/23/1992
Assignees
1
MITSUI TOATSU CHEMICALS, INC.
2-5, KASUMIGASEKI 3-CHOME, CHIYODA-KU
TOKYO, JAPAN
2
HONDA GIKEN KOGYO KABUSHIKI KAISHA
1-1, MINAMI-AOYAMA 2-CHOME, MINATO-KU
TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5324771
NONE
07875017
Correspondence name and address
BURNS, DOANE, SWECKER & MATHIS
ROBERT G. MUKAI
THE GEORGE MASON BUILDING - WASHINGTON
& PRINCE STREETS - P.O. BOX 1404
ALEXANDRIA, VIRGINIA 22313-1404
Assignment: 14
Reel/Frame:006547/0136   Pages: 2
Recorded: 05/19/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
SEKIGUCHI, KATSUMI
Exec Dt:
04/09/1993
Assignee
1
NEC CORPORATION
7-1, SHIBA 5-CHOME, MINATO-KU
TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5420916
NONE
08024177
Correspondence name and address
FOLEY & LARDNER
DAVID A. BLUMENTHAL
3000 K STREET, N.W.
SUITE 500
WASHINGTON, DC 20007-5109
Assignment: 15
Reel/Frame:012267/0231   Pages: 6
Recorded: 10/15/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ONO, MASAHIRO
Exec Dt:
10/11/2001
2
OKANOUE, KAZUHIRO
Exec Dt:
10/11/2001
3
MIZUKI, HIROSHI
Exec Dt:
10/11/2001
4
TAKAHASHI, OSAMU
Exec Dt:
10/11/2001
5
TSURUMAKI, KOJI
Exec Dt:
10/11/2001
6
INAMURA, HIROSHI
Exec Dt:
10/11/2001
7
SEKIGUCHI, KATSUMI
Exec Dt:
10/11/2001
8
ISHIKAWA, TARO
Exec Dt:
10/11/2001
Assignees
1
NEC CORPORATION
7-1, SHIBA 5-CHOME, MINATO-KU
TOKYO, JAPAN
2
NTT DOCOMO, INC.
11-1, NAGATA-CHO 2-CHOME
CHIYODA-KU, TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20020046252
09977587
Correspondence name and address
OSTROLENK, FABER, GERB & SOFFEN, LLP
STEVEN I. WEISBURD
1180 AVENUE OF THE AMERICAS
NEW YORK, NEW YORK 10036-8403
Assignment: 16
Reel/Frame:013621/0408   Pages: 3
Recorded: 10/28/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KUBODERA, MASATO
Exec Dt:
10/09/2002
2
SOHMA, MASAKI
Exec Dt:
10/09/2002
3
SEKIGUCHI, KATSUMI
Exec Dt:
10/09/2002
4
KASAI, SHIGERU
Exec Dt:
10/09/2002
Assignee
1
TOKYO ELECTRON LIMITED
3-6, AKASAKA 5-CHOME
MINATO-KU, TOKYO-TO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6759633
US20030075535
10258797
Correspondence name and address
SMITH, GAMBRELL & RUSSELL
MICHAEL A. MAKUCH
1850 M STREET, N.W., SUITE 800
WASHINGTON, DC 20036
Assignment: 17
Reel/Frame:016138/0230   Pages: 3
Recorded: 12/23/2004
Attorney Dkt #:9683/225
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MIYAKE, MOTOHARU
Exec Dt:
12/13/2004
2
INAMURA, HIROSHI
Exec Dt:
12/13/2004
3
SEKIGUCHI, KATSUMI
Exec Dt:
12/13/2004
4
JINGUUJI, MAKOTO
Exec Dt:
12/13/2004
Assignee
1
NTT DOCOMO, INC.
11-1 NAGATACHO 2-CHOME
CHIYODA-KU, TOKYO, JAPAN 100-6150
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7680141
US20050165923
11024255
Correspondence name and address
BRINKS HOFER GILSON & LIONE
P.O. BOX 10395
CHICAGO, IL 60610
Assignment: 18
Reel/Frame:016799/0415   Pages: 3
Recorded: 07/22/2005
Attorney Dkt #:264719US90PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SEKIGUCHI, KATSUMI
Exec Dt:
03/24/2005
2
TSURUMAKI, KOJI
Exec Dt:
03/24/2005
3
KITAGUCHI, MASAYA
Exec Dt:
03/24/2005
Assignee
1
NTT DOCOMO, INC.
11-1, NAGATACHO 2-CHOME, CHIYODA-KU
TOKYO, JAPAN 100-6150
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20060168235
10521446
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND, MAIER & NEUST
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 19
Reel/Frame:023541/0852   Pages: 2
Recorded: 11/19/2009
Attorney Dkt #:XA-11456/T3844-17489US01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SEKIGUCHI, KATSUMI
Exec Dt:
09/16/2009
2
ORIMO, MIKIHISA
Exec Dt:
09/16/2009
Assignee
1
RENESAS TECHNOLOGY CORP.
6-2, OTEMACHI 2-CHOME, CHIYODA-KU
TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8325786
US20100124258
12620783
Correspondence name and address
MITCHELL W. SHAPIRO
1751 PINNACLE DRIVE, SUITE 500
MCLEAN, VA 22102-3833
Assignment: 20
Reel/Frame:026385/0956   Pages: 3
Recorded: 06/03/2011
Attorney Dkt #:010755.63549US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
IMAI, SATORU
Exec Dt:
03/24/2011
2
SEKIGUCHI, KATSUMI
Exec Dt:
03/24/2011
3
MEUCHI, NORIYOSHI
Exec Dt:
03/24/2011
Assignee
1
NTT DOCOMO, INC.
11-1, NAGATACHO 2-CHOME
CHYODA-KU, TOKYO, JAPAN 100-6150
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8607114
US20110239073
13132693
Correspondence name and address
CROWELL & MORING LLP
P.O. BOX 14300
INTELLECTUAL PROPERTY GROUP
WASHINGTON, DC 20044-4300
Assignment: 21
Reel/Frame:053296/0571   Pages: 3
Recorded: 07/23/2020
Attorney Dkt #:4030-0740
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
OKUNISHI, NAOHIKO
Exec Dt:
03/20/2019
2
SEKIGUCHI, KATSUMI
Exec Dt:
03/20/2019
3
YUI, RYUICHI
Exec Dt:
03/22/2019
Assignee
1
TOKYO ELECTRON LIMITED
3-1 AKASAKA 5-CHOME, MINATO-KU
TOKYO, JAPAN 107-6325
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11456160
US20190295819
16361464
Correspondence name and address
ROTHWELL, FIGG, ERNST & MANBECK, P.C.
607 14TH ST., N.W.
SUITE 800
WASHINGTON, DC 20005

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