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Patent Assignment Assignor Details
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Assignor Name : OHTSUKA, HIROFUMI
Total Assignments: 18
Assignment: 1
Reel/Frame:008361/0199   Pages: 3
Recorded: 12/11/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TABATA, TAKESHI
Exec Dt:
10/08/1996
2
KOKITSU, MIKAKO
Exec Dt:
10/14/1996
3
OKADA, OSAMU
Exec Dt:
10/08/1996
4
OHTSUKA, HIROFUMI
Exec Dt:
10/08/1996
5
BELLUSSI, GIUSEPPE
Exec Dt:
09/30/1996
6
SABATINO, LUIGINA MARIA FLORA
Exec Dt:
09/30/1996
Assignees
1
OSAKA GAS COMPANY LIMITED
1-2, HIRANOMACHI 4-CHOME, CHUO-KU
OSAKA-SHI, OSAKA 541, JAPAN
2
ENIRICERCHE S.P.A.
VIA F. MARITANO 26
20097 SAN DONATO MILANESE, ITALY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5993764
NONE
08765151
Correspondence name and address
MERCHANT, GOULD, SMITH, ET AL.
DOUGLAS P. MUELLER
3100 NORWEST CENTER
90 SOUTH SEVENTH STREET
MINNEAPOLIS, MN 55402-4131
Assignment: 2
Reel/Frame:008404/0133   Pages: 3
Recorded: 02/06/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ABE, TOMOFUMI
Exec Dt:
12/11/1996
2
OHTSUKA, HIROFUMI
Exec Dt:
12/12/1996
3
SUDA, HIROHIDE
Exec Dt:
12/12/1996
4
YAMAOKA, KOUJI
Exec Dt:
12/12/1996
5
KAWAMATA, SEIJU
Exec Dt:
12/12/1996
Assignee
1
HONDA GIKEN KOBYO KABUSHIKI KAISYA
1-1, MINAMI AOYAMA 2-CHOME, MINATO-KU
TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6075438
NONE
08798019
Correspondence name and address
ARMSTRONG, WESTERMAN, HATTORI ET AL
KEN-ICHI HATTORI
SUITE 1000
1725 K STREET, N.W.
WASHINGTON, D.C. 20006
Assignment: 3
Reel/Frame:008576/0499   Pages: 4
Recorded: 06/11/1997
Conveyance: CORRECTIVE ASSIGNMENT TO CORRECT ASSIGNEE'S NAME PREVIOUSLY RECORDED AT REEL 8404, FRAME 0133.
Assignors
1
ABE, TOMOFUMI
Exec Dt:
12/11/1996
2
OHTSUKA, HIROFUMI
Exec Dt:
12/12/1996
3
SUDA, HIROHIDE
Exec Dt:
12/12/1996
4
YAMAOKA, KOUJI
Exec Dt:
12/12/1996
5
KAWAMATA, SEIJU
Exec Dt:
12/12/1996
Assignee
1
HONDA GIKEN KOGYO KABUSHIKI KAISHA
1-1, MINAMI AOYAMA 2-CHOME, MINATO-KU
TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6075438
NONE
08798019
Correspondence name and address
ARMSTRONG, WESTERMAN, HATTORI, ET AL.
KEN-ICHI HATTORI
1725 K STREET, N.W., STE. 1000
WASHINGTON, D.C. 20006
Assignment: 4
Reel/Frame:008724/0110   Pages: 3
Recorded: 07/28/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
OHTSUKA, HIROFUMI
Exec Dt:
05/12/1997
2
TABATA, TAKESHI
Exec Dt:
05/15/1997
3
OKADA, OSAMU
Exec Dt:
05/15/1997
4
BELLUSSI, GIUSEPPE
Exec Dt:
05/28/1997
5
SABATINO, LUIGINA MARIA FLORA
Exec Dt:
05/26/1997
Assignees
1
OSAKA GAS COMPANY LIMITED
1-2 HIRANOMACHI 4-CHOME CHUO-KU, OSAKA-SHI
OSAKA 541, JAPAN
2
ENIRICERCHE S.P.A.
VIA F. MARITANO 26
20097 SAN DONATO MILANESE, ITALY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5985225
NONE
08849557
Correspondence name and address
MERCHANT, GOULD, SMITH, EDELL, ET AL
DOUGLAS P. MUELLER
3100 NORWEST CENTER
90 SOUTH SEVENTH STREET
MINNEAPOLIS, MN 55402-4131
Assignment: 5
Reel/Frame:011046/0472   Pages: 6
Recorded: 08/17/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
OHTSUKA, HIROFUMI
Exec Dt:
07/31/2000
2
TABATA, TAKESHI
Exec Dt:
07/31/2000
3
NAKAHIRA, TAKATOSHI
Exec Dt:
07/31/2000
4
MASUDA, MASATAKA
Exec Dt:
07/31/2000
5
HIRANO, TAKENORI
Exec Dt:
07/31/2000
Assignee
1
OSAKA GAS COMPANY LIMITED
1-2, HIRANOMACHI 4-CHOME, CHUO-KU
OSAKA-SHI, OSAKA 541-0046, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6602481
NONE
09622469
Correspondence name and address
BAKER BOTTS L.L.P.
RONALD B. HILDRETH
30 ROCKEFELLER PLAZA - 44 FL.
NEW YORK, NY 10112
Assignment: 6
Reel/Frame:011085/0692   Pages: 2
Recorded: 09/07/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
YANARU, TAICHI
Exec Dt:
08/31/2000
2
OKABE, MASATAKA
Exec Dt:
08/31/2000
3
OHTSUKA, HIROFUMI
Exec Dt:
08/31/2000
Assignees
1
MITSUBISHI DENKI KABUSHIKI KAISHA
2-3, MARUNOUCHI 2-CHOME, CHIYODA-KU
TOKYO 100-8310, JAPAN
2
RYODEN SEMICONDUCTOR SYSTEM ENGINEERING CORPORATION
4-1, MIZUHARA, ITAMI-SHI
HYOGO 664-0005, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6788990
NONE
09656839
Correspondence name and address
MCDERMOTT, WILL & EMERY
STEPHEN A. BECKER
600 13TH STREET, N.W.
WASHINGTON, DC 20005
Assignment: 7
Reel/Frame:011809/0478   Pages: 5
Recorded: 05/16/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
YANARU, TAICHI
Exec Dt:
04/11/2001
2
OKABE, MASATAKA
Exec Dt:
04/11/2001
3
OHTSUKA, HIROFUMI
Exec Dt:
04/11/2001
Assignees
1
MITSUBISHI DENKI KABUSHIKI KAISHA
2-3, MARUNOUCHI 2-CHOME, CHIYODA-KU
TOKYO, JAPAN 100-8
2
RYODEN SEMICONDUCTOR SYSTEM ENGINEERING CORPORATION
1 MIZUHARA 4-CHOME ITAMI-SHI
HYOGO, JAPAN 664-0
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6577972
US20020029118
09792052
Correspondence name and address
LEYDIG, VOIT & MAYER, LTD.
JEFFREY A. WYAND
700 THIRTEENTH ST., N.W. SUITE 300
WASHINGTON, D.C. 20005-3960
Assignment: 8
Reel/Frame:011902/0088   Pages: 4
Recorded: 06/18/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
OKABE, MASATAKA
Exec Dt:
05/11/2001
2
OHTSUKA, HIROFUMI
Exec Dt:
05/11/2001
3
YANARU, TAICHI
Exec Dt:
05/11/2001
Assignees
1
MITSUBISHI DENKI KABUSHIKI KAISHA
2-3, MARUNOUCHI 2-CHOME, CHIYODA-KU
TOKYO, JAPAN 100-8
2
RYODEN SEMICONDUCTOR SYSTEM ENGINEERING CORPORATION
1 MIZUHARA 4-CHOME, ITAMI-SHI
HYOGO, JAPAN 664-0
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6535778
US20020120357
09793736
Correspondence name and address
LEYDIG, VOIT & MAYER, LTD.
JEFFREY A. WYAND
700 THIRTEENTH ST., N.W., SUITE 300
WASHINGTON, D.C. 20005-3960
Assignment: 9
Reel/Frame:012763/0473   Pages: 6
Recorded: 04/04/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
OGATA, RYOJI
Exec Dt:
02/27/2002
2
OHTSUKA, HIROFUMI
Exec Dt:
02/27/2002
3
YANARU, TAICHI
Exec Dt:
02/27/2002
Assignee
1
MITSUBISHI DENKI KABUSHIKI KAISHA
2-3, MARUNOUCHI 2-CHOME, CHIYODA-KU
TOKYO, JAPAN 100-8
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6733243
US20030108407
10115009
Correspondence name and address
LEYDIG, VOIT & MAYER, LTD.
JEFFREY A. WYAND
700 THIRTEENTH ST., N.W., SUITE 300
WASHINGTON, D.C. 20005-3960
Assignment: 10
Reel/Frame:012828/0636   Pages: 4
Recorded: 04/24/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
OHTSUKA, HIROFUMI
Exec Dt:
03/22/2002
2
OGATA, RYOJI
Exec Dt:
03/22/2002
3
YANARU, TAICHI
Exec Dt:
03/22/2002
Assignees
1
MITSUBISHI DENKI KABUSHIKI KAISHA
2-3, MARUNOUCHI 2-CHOME, CHIYODA-KU
TOKYO, JAPAN 100-8
2
RYODEN SEMICONDUCTOR SYSTEM ENGINEERING CORPORATION
1, MIZUHARA 4-CHOME
ITAMI-SHI HYOGO-KEN, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6687568
US20030093176
10128308
Correspondence name and address
LEYDIG, VOIT & MAYER, LTD.
JEFFREY A. WYAND
700 THIRTEENTH STREET, N.W., SUITE 300
WASHINGTON, D.C. 20005-3960
Assignment: 11
Reel/Frame:013212/0516   Pages: 4
Recorded: 08/21/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
UDOU, SYOJI
Exec Dt:
07/26/2002
2
OHTSUKA, HIROFUMI
Exec Dt:
07/26/2002
Assignees
1
MITSUBISHI DENKI KABUSHIKI KAISHA
2-3, MARUNOUCHI 2-CHOME
CHIYODA-KU
TOKYO, JAPAN 100-8310
2
RYODEN SEMICONDUCTOR SYSTEM ENGINEERING CORPORATION
1, MIZUHARA 4-CHOME
ITAMI-SHI
HYOGO-KEN, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6721627
US20030149509
10224498
Correspondence name and address
LEYDIG, VOIT & MAYER
JEFFREY A. WYAND
700 THIRTEENTH ST., N.W.
SUITE 300
WASHINGTON, D.C. 20005-3960
Assignment: 12
Reel/Frame:014434/0221   Pages: 3
Recorded: 05/14/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
OHTSUKA, HIROFUMI
Exec Dt:
10/01/2002
2
HIRANO, TAKENORI
Exec Dt:
10/07/2002
Assignee
1
OSAKA GAS COMPANY LIMITED
1-2, HIRANOMACHI 4-CHOME, CHUO-KU
OSAKA-SHI, OSAKA 541-0046, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7364712
US20040013591
10416679
Correspondence name and address
KNOBBE, MARTENS, OLSON, ET AL
DANIEL E. ALTMAN
2040 MAIN STREET
IRVINE, CA 92614
Assignment: 13
Reel/Frame:023992/0620   Pages: 5
Recorded: 02/25/2010
Attorney Dkt #:388-100095
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SEKI, KENJI
Exec Dt:
02/08/2010
2
MASUDA, MASATAKA
Exec Dt:
02/08/2010
3
OHTSUKA, HIROFUMI
Exec Dt:
02/08/2010
4
SHITO, ETSUO
Exec Dt:
02/08/2010
5
HIRAO, KATSUHIKO
Exec Dt:
02/08/2010
Assignee
1
OSAKA GAS CO., LTD.
1-2, HIRANOMACHI 4-CHOME, CHUO-KU, OSAKA
OSAKA-SHI, JAPAN 5410046
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8899968
US20100196833
12670058
Correspondence name and address
THE WEBB LAW FIRM, P.C.
700 KOPPERS BUILDING
436 SEVENTH AVENUE
PITTSBURGH, PA 15219
Assignment: 14
Reel/Frame:028036/0020   Pages: 4
Recorded: 04/12/2012
Attorney Dkt #:0388-120239
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
OHTSUKA, HIROFUMI
Exec Dt:
02/24/2012
2
SAKAI, TSUTOMU
Exec Dt:
02/24/2012
Assignee
1
OSAKA GAS CO., LTD.
1-2, HIRANOMACHI 4-CHOME, CHUO-KU, OSAKA
OSAKA-SHI, JAPAN 5410046
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9067175
US20120189523
13388588
Correspondence name and address
THE WEBB LAW FIRM, P.C.
ONE GATEWAY CENTER
420 FT. DUQUESNE BLVD, SUITE 1200
PITTSBURGH, PA 15222
Assignment: 15
Reel/Frame:036494/0385   Pages: 6
Recorded: 09/04/2015
Attorney Dkt #:0388-155483
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TAKAMI, SUSUMU
Exec Dt:
07/21/2015
2
OHTSUKA, HIROFUMI
Exec Dt:
07/21/2015
3
HIRANO, TAKENORI
Exec Dt:
07/24/2015
Assignee
1
OSAKA GAS CO., LTD.
1-2, HIRANOMACHI 4-CHOME, CHUO-KU, OSAKA
OSAKA-SHI, JAPAN 5410046
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20160008790
14772880
Correspondence name and address
THE WEBB LAW FIRM, P.C.
ONE GATEWAY CENTER
420 FT. DUQUESNE BLVD, SUITE 1200
PITTSBURGH, PA 15222
Assignment: 16
Reel/Frame:051050/0236   Pages: 6
Recorded: 11/19/2019
Attorney Dkt #:0388-1908436
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
NORIOKA, SHIMPEI
Exec Dt:
11/12/2019
2
TAKAMI, SUSUMU
Exec Dt:
11/12/2019
3
OHTSUKA, HIROFUMI
Exec Dt:
11/12/2019
4
HIRANO, TAKENORI
Exec Dt:
11/12/2019
Assignee
1
OSAKA GAS CO., LTD.
1-2, HIRANOMACHI 4-CHOME, CHUO-KU, OSAKA
OSAKA-SHI, JAPAN 5410046
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10814312
US20200108371
16614892
Correspondence name and address
THE WEBB LAW FIRM, P.C.
ONE GATEWAY CENTER
420 FT. DUQUESNE BLVD, SUITE 1200
PITTSBURGH, PA 15222
Assignment: 17
Reel/Frame:056901/0532   Pages: 4
Recorded: 07/19/2021
Attorney Dkt #:0388-2103638
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
NORIOKA, SHIMPEI
Exec Dt:
06/21/2021
2
OHTSUKA, HIROFUMI
Exec Dt:
06/21/2021
3
HIRANO, TAKENORI
Exec Dt:
06/21/2021
Assignee
1
OSAKA GAS CO., LTD.
1-2, HIRANOMACHI 4-CHOME, CHUO-KU, OSAKA
OSAKA-SHI, JAPAN 5410046
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220080398
17424007
Correspondence name and address
THE WEBB LAW FIRM, P.C.
ONE GATEWAY CENTER
420 FT. DUQUESNE BLVD, SUITE 1200
PITTSBURGH, PA 15222
Assignment: 18
Reel/Frame:060981/0084   Pages: 4
Recorded: 09/02/2022
Attorney Dkt #:00388-2206016
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
OHTSUKA, HIROFUMI
Exec Dt:
08/31/2022
2
NORIOKA, SHIMPEI
Exec Dt:
08/31/2022
Assignee
1
OSAKA GAS CO., LTD.
1-2, HIRANOMACHI 4-CHOME, CHUO-KU, OSAKA
OSAKA-SHI, JAPAN 5410046
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230093127
17909176
Correspondence name and address
THE WEBB LAW FIRM, P.C.
ONE GATEWAY CENTER
420 FT. DUQUESNE BLVD., SUITE 1200
PITTSBURGH, PA 15222

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