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Patent Assignment Assignor Details
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Assignor Name : TAKANO, HIROTAKA
Total Assignments: 19
Assignment: 1
Reel/Frame:003995/0993   Pages: 2
Recorded: 06/02/1982
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
TAKANO, HIROTAKA
Exec Dt:
03/12/1981
2
TAKAHASHI, HIDEYUKI
Exec Dt:
03/12/1981
3
HIROGOHRI, RYOICHI
Exec Dt:
03/12/1981
4
KATO, KOHJI
Exec Dt:
03/12/1981
Assignee
1
MITSUBISHI PETROCHEMICAL CO. LTD.
NO. 5-2, MARUNOUCHI 2-CHOME, CHIYODA-KU
TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4347396
NONE
06246012
Correspondence name and address
OBLON, FISHER, SPIVAK, MC CLELLAND &
MAIER, CRYSTAL SQ. FIVE,
STE. 400, 1755 SOUTH JEFF. DAVIS HWY.
ARLINGTON, VA 22202
Assignment: 2
Reel/Frame:004116/0112   Pages: 1
Recorded: 04/11/1983
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
ISHIGURU, YUKIO
Exec Dt:
04/04/1983
2
TAKANO, HIROTAKA
Exec Dt:
04/04/1983
3
FUNAKI, YUJI
Exec Dt:
04/04/1983
Assignee
1
SUMITOMO CHEMICAL COMPANY, LIMITED
15, KITAHAMA-5-CHOME, HIGASHI-KU
A CORP. OF JAPAN
OSAKA, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4489082
NONE
06483615
Correspondence name and address
STEVENS, DAVIS, MILLER & MOSHER
P. O. BOX 1427
ALEXANDRIA, VA 22314
Assignment: 3
Reel/Frame:004785/0819   Pages: 1
Recorded: 09/10/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
TAKANO, HIROTAKA
Exec Dt:
09/02/1987
Assignee
1
SUMITOMO CHEMICAL COMPANY, LIMITED, 15, KITAHAMA-5-CHOME, HIGASHI-KU, OSAKA, JAPAN, A CORP. OF JAPAN
JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4835170
NONE
07095822
Correspondence name and address
STEVENS, DAVIS, MILLER & MOSHER
515 NORTH WASHINGTON ST.
P. O. BOX 1427
ALEXANDRIA, VA 22313
Assignment: 4
Reel/Frame:004793/0203   Pages: 2
Recorded: 09/24/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
MEKI, NAOTO
Exec Dt:
09/07/1987
2
TAKANO, HIROTAKA
Exec Dt:
09/07/1987
Assignee
1
SUMITOMO CHEMICAL COMPANY, LIMITED, NO. 15, KITAHAMA 5-CHOME, HIGASHI-KU, OSAKA-SHI, OSAKA-FU, JAPAN
JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4837236
NONE
07100461
Correspondence name and address
BIRCH, STEWART, KOLASCH AND BIRCH
301 NORTH WASHINGTON STREET
P. O. BOX 747
FALLS CHURCH, VA 22046-0747
Assignment: 5
Reel/Frame:004790/0901   Pages: 1
Recorded: 11/17/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
TAKANO, HIROTAKA
Exec Dt:
11/09/1987
Assignee
1
SUMITOMO CHEMICAL COMPANY, LIMITED, 15, KITAHAMA-5-CHOME, HIGASHI-KU, OSAKA, JAPAN, A CORP. OF JAPAN
JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4940722
NONE
07122858
Correspondence name and address
STEVENS, DAVIS, MILLER & MOSHER
515 NORTH WASHINGTON STREET
POST OFFICE BOX 1427
ALEXANDRIA, VA 22313
Assignment: 6
Reel/Frame:005244/0908   Pages: 1
Recorded: 03/12/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
KATOH, TSUGUHIRO
Exec Dt:
04/21/1988
2
MAEDA, KIYOTO
Exec Dt:
04/22/1988
3
SHIROSHITA, MASAO
Exec Dt:
04/22/1988
4
YAMASHITA, NORIHISA
Exec Dt:
04/22/1988
5
SANEMITSU, YUZURU
Exec Dt:
02/25/1988
6
INOUE, SATORU
Exec Dt:
04/22/1988
7
SUGANO, MASAYO
Exec Dt:
04/21/1988
8
TAKANO, HIROTAKA
Exec Dt:
04/22/1988
Assignee
1
SUMITOMO CHEMICAL COMPANY, LIMITED
15, KITAHAMA 5-CHOME, HIGASHI-KU
A CORP. OF JAPAN
OSAKA, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4927827
NONE
07195977
Correspondence name and address
J. FRANK OSHA
SUGHRUE, MION, ZINN, MACPEAK & SEAS
2100 PENNSYLVANIA AVE., N.W.
WASHINGTON, D.C. 20037-3202
Assignment: 7
Reel/Frame:004931/0759   Pages: 1
Recorded: 08/22/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
KIRINO, TAKAKO, LEGAL REPRESENTATIVE OF OSAMU KIRINO, DEC'D
Exec Dt:
08/10/1988
2
MANABE, AKIO
Exec Dt:
08/08/1988
3
MIZUTANI, MASATO
Exec Dt:
08/08/1988
4
MAEDA, KIYOTO
Exec Dt:
08/08/1988
5
OOISHI, TADASHI
Exec Dt:
08/17/1988
6
TAKANO, HIROTAKA
Exec Dt:
08/08/1988
Assignee
1
SUMITOMO CHEMICAL COMPANY, LIMITED,
15, KITAHAMA-5-CHOME,
A CORP. OF JAPAN
HIGASHI-KU, OSAKA,, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4946867
NONE
07234598
Correspondence name and address
STEVENS, DAVIS, MILLER & MOSHER
515 NORTH WASHINGTON STREET
P.O. BOX 1427
ALEXANDRIA, VA 22313
Assignment: 8
Reel/Frame:004962/0369   Pages: 3
Recorded: 10/18/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
MORI, TATSUYA
Exec Dt:
10/07/1988
2
OHSUMI, TADASHI
Exec Dt:
10/07/1988
3
NAKAMURA, SHIGEO
Exec Dt:
10/07/1988
4
MAEDA, KIYOTO
Exec Dt:
10/12/1988
5
NISHIDA, SUMIO
Exec Dt:
10/12/1988
6
TAKANO, HIROTAKA
Exec Dt:
10/12/1988
Assignee
1
SUMITOMO CHEMICAL COMPANY, LIMITED, A CORP. OF JAPAN
15, KITAHAMA 5-CHOME, HIGASHI-KU
OSAKA, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4877441
NONE
07259283
Correspondence name and address
LESTER HORWITZ
LADAS & PARRY
26 WEST 61ST STREET
NEW YORK, NY 10023
Assignment: 9
Reel/Frame:005176/0069   Pages: 1
Recorded: 09/21/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
MEKI, NAOTO
Exec Dt:
09/11/1989
2
NISHIDA, KAZUE
Exec Dt:
09/15/1989
3
IMAHASE, TOMOTOSHI
Exec Dt:
09/12/1989
4
FUJIMOTO, HIROAKI
Exec Dt:
09/12/1989
5
MIKITANI, KENICHI
Exec Dt:
09/12/1989
6
TAKANO, HIROTAKA
Exec Dt:
09/11/1989
7
OGASAWARA, YORIKO
Exec Dt:
09/11/1989
8
TAMAKI, MASAHIRO
Exec Dt:
09/11/1989
Assignee
1
SUMITOMO CHEMICAL COMPANY, LIMITED
5-33, KITAHAMA-4-CHOME, CHUO-KU
OSAKA, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4980345
NONE
07410425
Correspondence name and address
STEVENS, DAVIS, MILLER & MOSHER
P. O. BOX 1427
ALEXANDRIA, VA. 22314
Assignment: 10
Reel/Frame:005615/0736   Pages: 4
Recorded: 11/03/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
OHSUMI, TADASHI
Exec Dt:
10/26/1989
2
MORI, TATSUYA
Exec Dt:
10/26/1989
3
NISHIDA, SUMIO
Exec Dt:
10/29/1989
4
NAKAMURA, SHIGEO
Exec Dt:
10/31/1989
5
MAEDA, KIYOTO
Exec Dt:
10/26/1989
6
TAKANO, HIROTAKA
Exec Dt:
10/26/1989
Assignee
1
SUMITOMO CHEMICAL COMPANY, LIMITED 5-33, KITAHAMA 4-CHOME, CHUO-KU, OSAKA, JAPAN A CORP OF JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5049575
NONE
07431668
Correspondence name and address
LESTER HORWITZ
C/O LADAS & PARRY
26 WEST 61ST STREET
NEW YORK, NY 10023
Assignment: 11
Reel/Frame:006211/0460   Pages: 4
Recorded: 06/30/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
KATOH, TSUGUHIRO
Exec Dt:
06/16/1992
2
TAKANO, HIROTAKA
Exec Dt:
06/16/1992
3
FUJIMOTO, HIROAKI
Exec Dt:
06/17/1992
4
KISIDA, HIROSI
Exec Dt:
06/16/1992
Assignee
1
SUMITOMO CHEMICAL COMPANY, LIMITED
5-33, KITAHAMA 4-CHOME, CHUO-KU
OSAKA, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5236924
NONE
07906437
Correspondence name and address
SUGHRUE, MION, ZINN, MACPEAK & SEAS
HOWARD L. BERNSTEIN
2100 PENNSYLVANIA AVE., N.W.
WASHINGTON, D.C. 20037
Assignment: 12
Reel/Frame:006291/0996   Pages: 2
Recorded: 10/01/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
KATOH, TSUGUHIRO
Exec Dt:
09/22/1992
2
MIZUGUCHI, ATSUO
Exec Dt:
09/22/1992
3
TAKANO, HIROTAKA
Exec Dt:
09/22/1992
Assignee
1
SUMITOMO CHEMICAL COMPANY, LIMITED
5-33, KITAHAMA 4-CHOME, CHUO-KU
OSAKA, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5322845
NONE
07955040
Correspondence name and address
MARK BOLAND
SUGHRUE, MION, ZINN, MACPEAK & SEAS
2100 PENNSYLVANIA AVENUE, N.W., STE. 800
WASHINGTON, DC 20037-3202
Assignment: 13
Reel/Frame:008439/0099   Pages: 4
Recorded: 03/21/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TOMIOKA, HIROKI
Exec Dt:
01/20/1997
2
FURUKAWA, TAKASHI
Exec Dt:
01/20/1997
3
TAKADA, YOJI
Exec Dt:
01/20/1997
4
TAKANO, HIROTAKA
Exec Dt:
01/23/1997
Assignee
1
SUMITOMO CHEMICAL COMPANY, LIMITED
5-33 KTAHAMA-4 -CHOME, CHUO-KU
OSAKA, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5756522
NONE
08772086
Correspondence name and address
BIRCH, STEWART, KOLASCH & BIRCH LLP
ANDREW D. MEIKLE
P.O. BOX 747
FALLS CHURCH, VA 22040-0747
Assignment: 14
Reel/Frame:008624/0544   Pages: 2
Recorded: 06/04/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
IZUMI, KEIICHI
Exec Dt:
02/25/1997
2
IKEGAMI, HIROSHI
Exec Dt:
02/25/1997
3
SUZUKI, MASAYA
Exec Dt:
02/25/1997
4
SAKAMOTO, NORIYASU
Exec Dt:
02/25/1997
5
TAKANO, HIROTAKA
Exec Dt:
02/26/1997
Assignee
1
SUMITOMO CHEMICAL COMPANY, LIMITED
5-33, KITAHAMA 4-CHOME, CHUO-KU
OSAKA 541, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5869506
NONE
08790665
Correspondence name and address
CUSHMAN DARBY & CUSHMAN
ANN S. HOBBS
1100 NEW YORK AVENUE, N.W.
NINTH FLOOR, EAST TOWER
WASHINGTON, D.C. 20005-3918
Assignment: 15
Reel/Frame:008945/0800   Pages: 5
Recorded: 09/24/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MATSUO, SANSHIRO
Exec Dt:
08/20/1997
2
HIROSE, TARO
Exec Dt:
08/20/1997
3
IZUMI, KEIICHI
Exec Dt:
08/20/1997
4
SUZUKI, MASAYA
Exec Dt:
08/20/1997
5
SAKAMOTO, NORIYASU
Exec Dt:
08/20/1997
6
TSUSHIMA, KAZUNORI
Exec Dt:
08/20/1997
7
SAITO, SHIGERU
Exec Dt:
08/20/1997
8
TAKANO, HIROTAKA
Exec Dt:
08/20/1997
Assignee
1
SUMITOMO CHEMICAL COMPANY, LIMITED
5-33, KITAHAMA 4-CHOME, CHUO-KU
OSAKA-SHI, OSAKA-FU, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5952386
NONE
08913879
Correspondence name and address
BIRCH, STEWART, KOLASCH & BIRCH, LLP
RAYMOND C. STEWART
P.O. BOX 747
FALLS CHURCH, VA 22040-0747
Assignment: 16
Reel/Frame:009830/0459   Pages: 5
Recorded: 06/12/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
IKEGAMI, HIROSHI
Exec Dt:
03/30/1998
2
IZUMI, KEIICHI
Exec Dt:
03/23/1998
3
SUZUKI, MASAYA
Exec Dt:
03/23/1998
4
SAKAMOTO, NORIYASU
Exec Dt:
03/23/1998
5
TAKANO, HIROTAKA
Exec Dt:
03/25/1998
Assignee
1
SUMITOMO CHEMICAL COMPANY, LIMITED
5-33, KITAHAMA 4-CHOME, CHUO-KU, OSAKA-SHI
OSAKA-FU, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6140274
NONE
09091082
Correspondence name and address
BIRCH, STEWART, KOLASCH, ET AL.
ANDREW D. MEIKLE
P.O. BOX 747
FALLS CHURCH, VA 22040-0747
Assignment: 17
Reel/Frame:055930/0578   Pages: 3
Recorded: 04/15/2021
Attorney Dkt #:2021-0614A
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
OOZEKI, HIROKI
Exec Dt:
09/11/2020
2
TAKANO, HIROTAKA
Exec Dt:
09/11/2020
3
KOSAI, TAKUTO
Exec Dt:
09/11/2020
Assignee
1
SEKISUI CHEMICAL CO., LTD.
4-4, NISHITEMMA 2-CHOME, KITA-KU, OSAKA-SHI
OSAKA, JAPAN 530-8565
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20210317303
17285608
Correspondence name and address
WENDEROTH, LIND & PONACK, L.L.P.
1025 CONNECTICUT AVENUE NW
SUITE 500
WASHINGTON, DC 20036
Assignment: 18
Reel/Frame:057288/0786   Pages: 8
Recorded: 08/25/2021
Attorney Dkt #:2021-1002A
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
OOZEKI, HIROKI
Exec Dt:
03/30/2021
2
TAKANO, HIROTAKA
Exec Dt:
04/01/2021
3
KOSAI, TAKUTO
Exec Dt:
04/01/2021
Assignee
1
SEKISUI CHEMICAL CO., LTD.
4-4, NISHITEMMA 2-CHOME, KITA-KU, OSAKA-SHI
OSAKA, JAPAN 5308565
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220145071
17433853
Correspondence name and address
WENDEROTH, LIND & PONACK L.L.P
1025 CONNECTICUT AVENUE NW
SUITE 500
WASHINGTON, DC 20036
Assignment: 19
Reel/Frame:061923/0747   Pages: 8
Recorded: 11/30/2022
Attorney Dkt #:2022-1823A
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
YAMADA, TOMOKI
Exec Dt:
09/20/2022
2
YOSHIDA, HIROTSUGU
Exec Dt:
09/27/2022
3
TAKANO, HIROTAKA
Exec Dt:
09/28/2022
4
YOSHIKIYO, TETSUYA
Exec Dt:
09/30/2022
5
HIRAMOTO, TOMOKI
Exec Dt:
09/28/2022
Assignees
1
SEKISUI CHEMICAL CO., LTD.
4-4, NISHITEMMA 2-CHOME, KITA-KU, OSAKA-SHI
OSAKA, JAPAN 5308565
2
JAPAN POLYETHYLENE CORPORATION
1-1 MARUNOUCHI 1-CHOME, CHIYODA-KU
TOKYO, JAPAN 1008251
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230151223
17913633
Correspondence name and address
WENDEROTH, LIND & PONACK L.L.P
1025 CONNECTICUT AVENUE NW
SUITE 500
WASHINGTON, DC 20036

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