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Patent Assignment Assignor Details
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Assignor Name : ISHIGURO, HIROYUKI
Total Assignments: 20
Assignment: 1
Reel/Frame:004407/0558   Pages: 1
Recorded: 05/16/1985
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
YAMADA, TETSUSYO
Exec Dt:
04/18/1985
2
KOJIMA, TAKAO
Exec Dt:
04/18/1985
3
ISHIGURO, HIROYUKI
Exec Dt:
04/18/1985
4
NAKAYAMA, YUTAKA
Exec Dt:
04/18/1985
Assignee
1
NGK SPARK PLUG CO., LTD.
14-18 TAKATSUJI-CHO,
MIZUHO-KU, NAGOYA CITY, AICHI-PREF., JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4624770
NONE
06734602
Correspondence name and address
FLEIT, JACOBSON, COHN AND PRICE
1217 E STREET, N.W.
WASHINGTON, DC 2004-1998
Assignment: 2
Reel/Frame:004589/0377   Pages: 2
Recorded: 08/12/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
KOJIMA, TAKAO
Exec Dt:
06/01/1985
2
NAKAYAMA, YUTAKA
Exec Dt:
06/01/1985
3
ISHIGURO, HIROYUKI
Exec Dt:
06/01/1985
4
YAMADA, TETSUSYO
Exec Dt:
06/01/1985
Assignee
1
NGK SPARK PLUG CO., LTD.
14-18 TAKATSUJI-CHO, MIZUHO-KU, NAGOYA-SHI,
AICHI-KEN, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4629549
NONE
06751269
Correspondence name and address
OBLON, FISHER, SPIVAK, MC CLELLAND &
MAIER, CRYSTAL SQUARE FIVE - STE. 400
1755 SOUTH JEFF. DAVIS HWY.
ARLINGTON, VA 22202
Assignment: 3
Reel/Frame:004617/0909   Pages: 1
Recorded: 08/21/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
KOJIMA, TAKAO
Exec Dt:
06/25/1986
2
ISHIGURO, HIROYUKI
Exec Dt:
06/25/1986
Assignee
1
NGK SPARK PLUG CO., LTD.
14-18, TAKATSUJI-CHO, MIZUHO-KU, NAGOYA-SHI
AICHI, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4713166
NONE
06875077
Correspondence name and address
WEGNER & BRETSCHNEIDER
P.O. BOX 18218
WASHINGTON, DC 20036
Assignment: 4
Reel/Frame:004592/0626   Pages: 1
Recorded: 08/15/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
KOJIMA, TAKAO
Exec Dt:
08/07/1986
2
ISHIGURO, HIROYUKI
Exec Dt:
08/07/1986
Assignee
1
NGK SPARK PLUG CO., LTD.
14-18, TAKATSUJI-CHO, MIZUHO-KU, NAGOYA-SHI,
AICHI, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4733056
NONE
06896863
Correspondence name and address
WEGNER & BRETSCHNEIDER
P. O. BOX 18218
WASHINGTON, DC 20036
Assignment: 5
Reel/Frame:005732/0261   Pages: 2
Recorded: 06/13/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
YAMADA, TETSUSYO
Exec Dt:
09/25/1986
2
KOJIMA, TAKAO
Exec Dt:
09/25/1986
3
ISHIGURO, HIROYUKI
Exec Dt:
09/25/1986
4
KAMI, YOSHIHIDE
Exec Dt:
09/25/1986
Assignee
1
NGK SPARK PLUG CO., LTD.
NO. 14-18, TAKATSUJI-CHO MIZUHO-KU, NAGOYA-SHI
AICHI, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5047137
NONE
06915839
Correspondence name and address
SUGHRUE, MION, ZINN,
MACPEAK & SEAS
2100 PENNSYLVANIA AVE., N.W.
WASHINGTON, DC 20037-3202
Assignment: 6
Reel/Frame:004833/0424   Pages: 1
Recorded: 03/03/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
KOJIMA, TAKAO
Exec Dt:
06/22/1987
2
ISHIGURO, HIROYUKI
Exec Dt:
06/22/1987
3
KAMI, YOSHIHIDE
Exec Dt:
06/22/1987
Assignee
1
NGK SPARK PLUG CO., LTD.
NO. 14-18, TAKATSUJI-CHO, MIZUHO-KU,
NAGOYA-SHI, AICHI, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4747930
NONE
07068293
Correspondence name and address
SUGHRUE, MION, ZINN, MACPEAK & SEAS
1776 K STREET, N. W.
WASHINGTON, DC 20006
Assignment: 7
Reel/Frame:004881/0776   Pages: 1
Recorded: 05/04/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
KOJIMA, TAKAO
Exec Dt:
01/16/1988
2
ISHIGURO, HIROYUKI
Exec Dt:
01/16/1988
3
KAMI, YOSHIHIDE
Exec Dt:
01/16/1988
Assignee
1
NGK SPARK PLUG CO., LTD.
14-18, TAKATSUJI-CHO, MIZUHO-KU, NAGOYA-SHI
AICHI-KEN, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4863584
NONE
07190144
Correspondence name and address
PARKHURST & OLIFF
P.O. BOX 19928
ALEXANDRIA, VA 22320
Assignment: 8
Reel/Frame:005270/0879   Pages: 2
Recorded: 04/16/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
SAWADA, TOSHIKI
Exec Dt:
03/29/1990
2
TAGUCHI, KAZUO
Exec Dt:
03/29/1990
3
KOJIMA, TAKAO
Exec Dt:
03/29/1990
4
ISHIGURO, HIROYUKI
Exec Dt:
03/29/1990
5
YAMADA, MASAHIKO
Exec Dt:
03/29/1990
6
YAMANO, MASARU
Exec Dt:
03/29/1990
Assignee
1
NGK SPARK PLUG CO., LTD.
14-18, TAKATSUJI-CHO, MIZUHO-KU, NAGOYA-SHI
AICHI, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5160598
NONE
07479695
Correspondence name and address
BARRY E. BRETSCHNEIDER
WEGNER & BRETSCHNEIDER
P.O. BOX 18218
WASHINGTON, DC 20036-8218
Assignment: 9
Reel/Frame:007181/0398   Pages: 2
Recorded: 10/24/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KAWAHARA, TOSHIMI
Exec Dt:
10/13/1994
2
NAKASEKO, SHINYA
Exec Dt:
10/13/1994
3
OSAWA, MITSUNADA
Exec Dt:
10/13/1994
4
TANIGUCHI, SHINICHIROU
Exec Dt:
10/13/1994
5
OSUMI, MAYUMI
Exec Dt:
10/13/1994
6
ISHIGURO, HIROYUKI
Exec Dt:
10/13/1994
7
KATOH, YOSHITUGU
Exec Dt:
10/13/1994
8
KASAI, JUNICHI
Exec Dt:
10/13/1994
Assignees
1
FUJITSU LIMITED
1015, KAMIKODANAKA, NAKAHARA-KU
KAWASAKI-SHI, KANAGAWA, 211, JAPAN
2
KYUSHU FUJITSU ELECTRONICS LIMITED
5950, SOEDA, IRIKI-CHO
SATSUMA-GUN, KAGOSHIMA, JAPAN 895-14
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5679978
NONE
08330848
Correspondence name and address
NIKAIDO, MARMELSTEIN, MURRAY & ORAM
CHARLES M. MARMELSTEIN
METROPOLITAN SQUARE, G STREET LOBBY
655 15TH STREET, N.W., SUITE 330
WASHINGTON, D.C. 20005-5701
Assignment: 10
Reel/Frame:008554/0029   Pages: 2
Recorded: 05/27/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TAKIGAWA, YUKIO
Exec Dt:
04/29/1997
2
YAGI, SHIGEAKI
Exec Dt:
04/29/1997
3
KAWAHARA, TOSHIMI
Exec Dt:
04/29/1997
4
OSAWA, MITSUNADA
Exec Dt:
04/29/1997
5
ISHIGURO, HIROYUKI
Exec Dt:
04/29/1997
6
NAKASEKO, SHINYA
Exec Dt:
04/29/1997
7
HOZUMI, TAKASHI
Exec Dt:
04/29/1997
8
SEKI, MASAAKI
Exec Dt:
04/29/1997
Assignee
1
FUJITSU LIMITED
1-1, KAMIKODANAKA 4-CHOME, NAKAHARA-KU
KAWASAKI-SHI, KANAGAWA 211, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5844309
NONE
08754061
Correspondence name and address
NIKAIDO, MARMELSTEIN, MURRAY & ORAM LLP
KEVIN C. BROWN
METROPOLITAN SQUARE, 655 15TH ST., N.W.
G STREET LOBBY - SUITE 330
WASHINGTON, D.C. 20005-5701
Assignment: 11
Reel/Frame:010850/0594   Pages: 2
Recorded: 03/03/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
OKUCHI, TETSUYA
Exec Dt:
02/21/2000
2
ISHIGURO, HIROYUKI
Exec Dt:
02/21/2000
3
MORI, YOSHIO
Exec Dt:
02/21/2000
4
KITAMURA, TAKESHI
Exec Dt:
02/21/2000
Assignee
1
MATSUSHITA ELECTRIC WORKS, LTD.
1048 OAZA-KADOMA, KADOMA-SHI
OSAKA 571-8686, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6700603
NONE
09486698
Correspondence name and address
ARENT FOX KINTNER PLOTKIN & KAHN, PLLC
DOUGLAS H. GOLDHUSH
1050 CONNECTICUT AVENUE, N.W.
SUITE 600
WASHINGTON, DC 20036-5339
Assignment: 12
Reel/Frame:011989/0822   Pages: 2
Recorded: 07/12/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
OMAE, TAKAO
Exec Dt:
07/10/2001
2
ISHIGURO, HIROYUKI
Exec Dt:
07/10/2001
Assignee
1
JAPAN STORAGE BATTERY CO., LTD.
1, INOBABA-CHO, NISHINOSHO, KISSHOIN
MINAMI-KU, KYOTO-SHI, KYOTO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6455191
US20020018931
09903482
Correspondence name and address
SUGHRUE, MION, ZINN, MACPEAK & SEAS
MARK BOLAND
2100 PENNSYLVANIA AVENUE, N.W.
SUITE 200
WASHINGTON, D.C. 20037-3213
Assignment: 13
Reel/Frame:016811/0697   Pages: 2
Recorded: 07/26/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
ISHIGURO, HIROYUKI
Exec Dt:
07/19/2005
Assignee
1
DENSO CORPORATION
1-1, SHOWA-CHO
KARIYA-CITY, AICHI-PREF., JAPAN 448-8661
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7400081
US20060022566
11188772
Correspondence name and address
LARRY S. NIXON
NIXON & VANDERHYE P.C.
901 NORTH GLEBE ROAD
11TH FLOOR
ARLINGTON, VA 22203
Assignment: 14
Reel/Frame:024102/0973   Pages: 3
Recorded: 03/18/2010
Attorney Dkt #:354368US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ABE, YASUSHI
Exec Dt:
01/07/2010
2
ISHIGURO, HIROYUKI
Exec Dt:
01/07/2010
Assignee
1
DENKI KAGAKU KOGYO KABUSHIKI KAISHA
1-1, NIHONBASHI-MUROMACHI 2-CHOME, CHUO-KU
TOKYO, JAPAN 103-8338
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8530547
US20100209644
12677554
Correspondence name and address
OBLON, SPIVAK, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 15
Reel/Frame:031151/0564   Pages: 2
Recorded: 09/06/2013
Attorney Dkt #:0356.1011
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ABE, YASUSHI
Exec Dt:
08/13/2013
2
ISHIGURO, HIROYUKI
Exec Dt:
08/22/2013
Assignee
1
DENKI KAGAKU KOGYO KABUSHIKI KAISHA
1-1, NIHONBASHI-MUROMACHI 2-CHOME, CHUO-KU
TOKYO, JAPAN 103-8338
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9574062
US20130344269
14003590
Correspondence name and address
MICHAEL D. STEIN
1400 EYE ST., N.W.
SUITE 300
WASHINGTON, DC 20005
Assignment: 16
Reel/Frame:032627/0536   Pages: 3
Recorded: 04/08/2014
Attorney Dkt #:GSY-37871
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FUJITA, KOHEI
Exec Dt:
03/25/2014
2
NOUZUKA, KIYOSHI
Exec Dt:
03/25/2014
3
IWASAKI, SHOTA
Exec Dt:
03/25/2014
4
NISHIZAWA, JUNICHI
Exec Dt:
03/19/2014
5
SAITO, KAZUMA
Exec Dt:
03/25/2014
6
ISHIGURO, HIROYUKI
Exec Dt:
03/25/2014
Assignee
1
GS YUASA INTERNATIONAL LTD.
1, INOBABA-CHO, NISHINOSHO, KISSHOIN, MINAMI-KU, KYOTO-SHI
KYOTO, JAPAN 601-8520
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20140212764
14350386
Correspondence name and address
RANKIN, HILL & CLARK LLP
23755 LORAIN ROAD, SUITE 200
NORTH OLMSTED, OH 44070
Assignment: 17
Reel/Frame:032851/0810   Pages: 3
Recorded: 05/08/2014
Attorney Dkt #:GSY-38024
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
NOUZUKA, KIYOSHI
Exec Dt:
04/08/2014
2
SAITO, KAZUMA
Exec Dt:
04/08/2014
3
ISHIGURO, HIROYUKI
Exec Dt:
04/08/2014
4
FUJITA, KOHEI
Exec Dt:
04/08/2014
5
IWASAKI, SHOTA
Exec Dt:
04/08/2014
6
NISHIZAWA, JUNICHI
Exec Dt:
04/04/2014
Assignee
1
GS YUASA INTERNATIONAL LTD.
1, INOBABA-CHO, NISHINOSHO, KISSHOIN, MINAMI-KU, KYOTO-SHI
KYOTO, JAPAN 601-8520
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9825303
US20140356727
14272940
Correspondence name and address
RANKIN, HILL & CLARK LLP
23755 LORAIN ROAD, SUITE 200
NORTH OLMSTED, OH 44070
Assignment: 18
Reel/Frame:042528/0607   Pages: 3
Recorded: 05/30/2017
Attorney Dkt #:KUN-008
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KITAHARA, KEIJI
Exec Dt:
05/02/2017
2
ISHIGURO, HIROYUKI
Exec Dt:
05/02/2017
3
ABE, YASUSHI
Exec Dt:
05/02/2017
Assignee
1
DENKA COMPANY LIMITED
1-1, NIHONBASHI-MUROMACHI 2-CHOME, CHUO-KU
TOKYO, JAPAN 103-8338
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20170292014
15520720
Correspondence name and address
KANESAKA BERNER AND PARTNERS LLP
2318 MILL ROAD
SUITE 1400
ALEXANDRIA, VA 22314-2848
Assignment: 19
Reel/Frame:054987/0711   Pages: 3
Recorded: 01/21/2021
Attorney Dkt #:752149
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SUNADA, TAKASHI
Exec Dt:
12/03/2020
2
ISHIGURO, HIROYUKI
Exec Dt:
12/03/2020
3
ABE, YASUSHI
Exec Dt:
12/17/2020
Assignee
1
DENKA COMPANY LIMITED
1-1, NIHONBASHI-MUROMACHI 2-CHOME,
CHUO-KU, TOKYO, JAPAN 103-8338
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11390729
US20210292524
17261960
Correspondence name and address
LEYDIG, VOIT & MAYER, LTD.
TWO PRUDENTIAL PLAZA, STE. 4900
180 N. STETSON
CHICAGO, IL 60601-6745
Assignment: 20
Reel/Frame:058817/0690   Pages: 5
Recorded: 01/28/2022
Attorney Dkt #:198685
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ISHIGURO, HIROYUKI
Exec Dt:
12/07/2021
2
ABE, YASUSHI
Exec Dt:
12/07/2021
3
SUZUKI, KAZUTAKA
Exec Dt:
12/17/2021
4
KAWABE, KEISUKE
Exec Dt:
01/13/2022
Assignees
1
DENKA COMPANY LIMITED
1-1, NIHONBASHI-MUROMACHI 2-CHOME, CHUO-KU
TOKYO, JAPAN 103-8338
2
HONDA MOTOR CO., LTD.
1-1, MINAMI-AOYAMA 2-CHOME, MINATO-KU
TOKYO, JAPAN 107-8556
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220289951
17587813
Correspondence name and address
AARON L. WEBB
OLIFF PLC
P.O. BOX 320850
ALEXANDRIA, VA 22320-4850

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