skip navigationU S P T O SealUnited States Patent and Trademark Office AOTW logo
Home|Site Index|Search|Guides|Contacts|eBusiness|eBiz alerts|News|Help
Assignments on the Web > Patent Query
Patent Assignment Assignor Details
NOTE:Results display only for issued patents and published applications. For pending or abandoned applications please consult USPTO staff.

Assignor Name : KAI, KAZUFUMI
Total Assignments: 19
Assignment: 1
Reel/Frame:009923/0908   Pages: 2
Recorded: 03/11/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KAI, KAZUFUMI
Exec Dt:
03/04/1999
2
OHTA, KEISUKE
Exec Dt:
03/04/1999
3
UCHIDA, HIROSHI
Exec Dt:
03/04/1999
Assignee
1
SHOWA DENKO K.K.
13-9, SHIBA DAIMON 1-CHOME, MINATO-KU
TOKYO 105-8518, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6204410
NONE
09254595
Correspondence name and address
SUGHRUE, MION, ZINN, MACPEAK & SEAS
WADDELL A. BIGGART
2100 PENNSYLVANIA AVENUE, N.W., STE. 800
WASHINGTON, D.C. 20037-3202
Assignment: 2
Reel/Frame:010818/0801   Pages: 2
Recorded: 05/30/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KAI, KAZUFUMI
Exec Dt:
05/15/2000
2
OHTA, KEISUKE
Exec Dt:
05/15/2000
3
UCHIDA, HIROSHI
Exec Dt:
05/15/2000
Assignee
1
SHOWA DENKO K.K.
13-9 SHIBA DAIMON 1-CHOME
MINATO-KU, TOKYO 105-8518, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6376702
NONE
09495292
Correspondence name and address
SUGHRUE, MION, ZINN, MACPEAK & SEAS,PLLC
WADDELL A. BIGGART
2100 PENNSYLVANIA AVENUE, N.W.
SUITE 800
WASHINGTON, D.C. 20037-3213
Assignment: 3
Reel/Frame:011570/0344   Pages: 2
Recorded: 02/14/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KADOWAKI, YASUSHI
Exec Dt:
02/05/2001
2
OHTA, KEISUKE
Exec Dt:
02/05/2001
3
KAI, KAZUFUMI
Exec Dt:
02/05/2001
Assignee
1
SHOWA DENKO K.K.
13-9, SHIBA DAIMON 1-CHOME
MINATO-KU, TOKYO 105-8518, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20020002306
09781983
Correspondence name and address
SUGHRUE, MION, ZINN, MACPEAK & SEAS,PLL
WADDELL A. BIGGART
2100 PENNSYLVANIA AVENUE, NW.
SUITE 800
WASHINGTON, DC 20037-3213
Assignment: 4
Reel/Frame:012143/0991   Pages: 2
Recorded: 07/18/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
OOGA, KAZUHIKO
Exec Dt:
07/02/2001
2
ASAI, YOSHIFUMI
Exec Dt:
07/02/2001
3
KAI, KAZUFUMI
Exec Dt:
07/02/2001
4
TAJIMA, TSUNEO
Exec Dt:
07/02/2001
5
UCHIDA, HIROSHI
Exec Dt:
07/02/2001
Assignee
1
SHOWA DENKO K.K.
13-9, SHIBA DAIMON 1-CHOME, MINATO-KU
TOKYO 105-8518, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20030131548
09889499
Correspondence name and address
SUGHRUE, MION, ZINN, MACPEAK ET AL
BRUCE E. KRAMER
2100 PENNSYLVANIA AVENUE, N.W.
SUITE 800
WASHINGTON, D.C. 20037-3213
Assignment: 5
Reel/Frame:013734/0542   Pages: 2
Recorded: 10/31/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
OOGA, KAZUHIKO
Exec Dt:
10/18/2001
2
TAJIMA, TSUNEO
Exec Dt:
10/18/2001
3
KAI, KAZUFUMI
Exec Dt:
10/18/2001
4
UCHIDA, HIROSHI
Exec Dt:
10/18/2001
Assignee
1
SHOWA DENKO K.K.
13-9, SHIBA DAIMON 1-CHOME
MINATO-KU
TOKYO 105-8518, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6740721
US20030149141
09959598
Correspondence name and address
SUGHRUE MION, PLLC
BRUCE E. KRAMER
2100 PENNSYLVANIA AVENUE, N.W.
SUITE 800
WASHINGTON, DC 20037-3213
Assignment: 6
Reel/Frame:012898/0249   Pages: 2
Recorded: 03/19/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KAI, KAZUFUMI
Exec Dt:
02/05/2002
2
OHTA, KEISUKE
Exec Dt:
02/05/2002
3
KADOWAKI, YASUSHI
Exec Dt:
02/05/2002
4
UCHIDA, HIROSHI
Exec Dt:
02/05/2002
Assignee
1
SHOWA DENKO K.K.
13-9, SHIBADAIMON 1-CHOME
MINATO-KU, TOKYO, JAPAN 105-8
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7038076
US20030060563
10088229
Correspondence name and address
SUGHRUE MION, PLLC
BRUCE E. KRAMER
2100 PENNSYLVANIA AVENUE, N.W.
SUITE 800
WASHINGTON, D.C. 20037-3213
Assignment: 7
Reel/Frame:013361/0651   Pages: 2
Recorded: 03/28/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
OOGA, KAZUHIKO
Exec Dt:
03/01/2002
2
TAJIMA, TSUNEO
Exec Dt:
03/01/2002
3
KAI, KAZUFUMI
Exec Dt:
03/01/2002
4
UCHIDA, HIROSHI
Exec Dt:
03/01/2002
Assignee
1
SHOW A DENKO K.K.
13-9, SHIBA DAIMON 1-CHOME, MINATO-KU
TOKYO 105-8518, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6846900
US20030144447
10089240
Correspondence name and address
SUGHRUE, MION, PLLC
BRUCE E. KRAMER
2100 PENNSYLVANIA AVENUE, N.W.
SUITE 800
WASHINGTON, D.C. 20037-3213
Assignment: 8
Reel/Frame:013995/0240   Pages: 2
Recorded: 03/14/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
OOGA, KAZUHIKO
Exec Dt:
03/04/2002
2
TAJIMA, TSUNEO
Exec Dt:
03/04/2002
3
KAI, KAZUFUMI
Exec Dt:
03/04/2002
4
UCHIDA, HIROSHI
Exec Dt:
03/04/2002
Assignee
1
SHOWA DENKO K.K.
13-9, SHIBA DIAMON 1-CHOME, MINATO-KU
TOKYO 105-8518, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20030208019
10088051
Correspondence name and address
SUGHRUE MION, PLLC
BRUCE E. KRAMER
2100 PENNSYLVANIA AVENUE, N.W.
SUITE 800
WASHINGTON, DC 20037-3213
Assignment: 9
Reel/Frame:015431/0623   Pages: 2
Recorded: 12/03/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
OOGA, KAZUHIKO
Exec Dt:
11/20/2003
2
HONDA, YOSHIHIRO
Exec Dt:
11/20/2003
3
TAJIMA, TSUNEO
Exec Dt:
11/20/2003
4
KAI, KAZUFUMI
Exec Dt:
11/20/2003
5
UCHIDA, HIROSHI
Exec Dt:
11/20/2003
Assignee
1
SHOWA DENKO K.K.
13-9, SHIBA DAIMON 1-CHOME, MINATO-KU
TOKYO 105-8518, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20040236064
10482436
Correspondence name and address
SUGHRUE MION, PLLC
2100 PENNSYLVANIA AVENUE, N.W.
SUITE 800
WASHINGTON, DC 20037
Assignment: 10
Reel/Frame:015528/0850   Pages: 2
Recorded: 01/27/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HONDA, YOSHIHIRO
Exec Dt:
12/04/2003
2
OHTA, KEISUKE
Exec Dt:
12/04/2003
3
OOGA, KAZUHIKO
Exec Dt:
12/04/2003
4
KAI, KAZUFUMI
Exec Dt:
12/04/2003
5
UCHIDA, HIROSHI
Exec Dt:
12/04/2003
Assignee
1
SHOWA DENKO K.K.
13-9, SHIBA DAIMON 1-CHOME, MINATO-KU
TOKYO 105-8518, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7049350
US20040235980
10484877
Correspondence name and address
SUGHRUE MION, PLLC
2100 PENNSYLVANIA AVENUE, N.W.
SUITE 800
WASHINGTON, DC 20037
Assignment: 11
Reel/Frame:017933/0128   Pages: 2
Recorded: 11/17/2005
Attorney Dkt #:Q75995
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KAMATA, HIROTOSHI
Exec Dt:
09/26/2005
2
OHTA, KEISUKE
Exec Dt:
09/28/2005
3
KAI, KAZUFUMI
Exec Dt:
09/28/2005
Assignee
1
SHOWA DENKO K.K.
13-9, SHIBA DAIMON 1-CHOME, MINATO-KU
TOKYO, JAPAN 105-8518
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7569327
US20070021571
10557173
Correspondence name and address
SUGHRUE MION, PLLC
2100 PENNSYLVANIA AVENUE, N.W.
SUITE 800
WASHINGTON, DC 20037
Assignment: 12
Reel/Frame:019100/0774   Pages: 3
Recorded: 03/20/2007
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
OHTA, KEISUKE
Exec Dt:
02/16/2007
2
TAJIMA, TSUNEO
Exec Dt:
02/10/2007
3
KAI, KAZUFUMI
Exec Dt:
02/20/2007
4
OYAMA, YASUYUKI
Exec Dt:
02/10/2007
Assignee
1
SHOWA DENKO K.K.
13-9, SHIBA DAIMON 1-CHOME
MINATO-KU, TOKYO 105-8518, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7518001
US20070208149
11663228
Correspondence name and address
SUGHRUE MION, PLLC
2100 PENNSYLVANIA AVENUE, N.W.
SUITE 800
WASHINGTON, DC 20037
Assignment: 13
Reel/Frame:021143/0488   Pages: 2
Recorded: 06/24/2008
Attorney Dkt #:Q108585
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
OHTA, KEISUKE
Exec Dt:
05/28/2008
2
OYAMA, YASUYUKI
Exec Dt:
05/26/2008
3
KAI, KAZUFUMI
Exec Dt:
05/22/2008
Assignee
1
SHOWA DENKO K.K.
13-9, SHIBA DAIMON 1-CHOME
MINATO-KU, TOKYO, JAPAN 105-8518
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7939612
US20090270574
12159045
Correspondence name and address
SUGHRUE MION, PLLC
2100 PENNSYLVANIA AVENUE, N.W.
SUITE 800
WASHINGTON, DC 20037-3213
Assignment: 14
Reel/Frame:021639/0098   Pages: 2
Recorded: 10/06/2008
Attorney Dkt #:Q110343
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KADOWAKI, YASUSHI
Exec Dt:
09/05/2008
2
KAI, KAZUFUMI
Exec Dt:
09/09/2008
Assignee
1
SHOWA DENKO K.K.
13-9, SHIBA DAIMON 1-CHOME
MINATO-KU, TOKYO, JAPAN 105-8518
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8119039
US20090166589
12296245
Correspondence name and address
SUGHRUE MION, PLLC
2100 PENNSYLVANIA AVENUE, N.W.
SUITE 800
WASHINGTON, DC 20037
Assignment: 15
Reel/Frame:022113/0888   Pages: 4
Recorded: 01/15/2009
Attorney Dkt #:Q111732
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KADOWAKI, YASUSHI
Exec Dt:
12/08/2008
2
KAI, KAZUFUMI
Exec Dt:
12/08/2008
3
TOITA, RYOJI
Exec Dt:
12/08/2008
Assignee
1
SHOWA DENKO K.K.
13-9, SHIBA DAIMON 1-CHOME
MINATO-KU, TOKYO, JAPAN 105-8518
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8518524
US20090324922
12373977
Correspondence name and address
SUGHRUE MION, PLLC
2100 PENNSYLVANIA AVENUE, N.W.
SUITE 800
WASHINGTON, DC 20037-3213
Assignment: 16
Reel/Frame:024598/0850   Pages: 4
Recorded: 06/28/2010
Attorney Dkt #:Q119313
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KIBINO, NOBUYUKI
Exec Dt:
05/11/2010
2
HETSUGI, YUKIHARU
Exec Dt:
05/11/2010
3
KAI, KAZUFUMI
Exec Dt:
05/06/2010
Assignee
1
SHOWA DENKO K.K.
13-9, SHIBA DAIMON 1-CHOME
MINATO-KU, TOKYO, JAPAN 105-8518
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20100286354
12810444
Correspondence name and address
SUGHRUE MION, PLLC
2100 PENNSYLVANIA AVENUE, N.W.
SUITE 800
WASHINGTON, DC 20037
Assignment: 17
Reel/Frame:025615/0696   Pages: 3
Recorded: 01/11/2011
Attorney Dkt #:Q122007
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KIBONO, NOBUYUKI
Exec Dt:
11/16/2010
2
KAI, KAZUFUMI
Exec Dt:
11/16/2010
Assignee
1
SHOWA DENKO K.K.
13-9, SHIBA DAIMON 1-CHOME
MINATO-KU, TOKYO, JAPAN 105-8518
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20110124815
13003261
Correspondence name and address
SUGHRUE MION, PLLC
2100 PENSYLVANIA AVE., NW
WASHINGTON, DC 20037-3213
Assignment: 18
Reel/Frame:026663/0926   Pages: 2
Recorded: 07/28/2011
Attorney Dkt #:Q124686
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KIBINO, NOBUYUKI
Exec Dt:
04/14/2011
2
KAI, KAZUFUMI
Exec Dt:
04/14/2011
Assignee
1
SHOWA DENKO K.K.
13-9, SHIBA DAIMON 1-CHOME
MINATO-KU, TOKYO, JAPAN 105-8518
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8163860
US20110282014
13146600
Correspondence name and address
SUGHRUE MION, PLLC
2100 PENNSYLVANIA AVE, NW
SUITE 800
WASHINGTON, DC 20037
Assignment: 19
Reel/Frame:042601/0724   Pages: 4
Recorded: 06/05/2017
Attorney Dkt #:Q233605
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KAI, KAZUFUMI
Exec Dt:
02/02/2017
2
OYAMA, YASUYUKI
Exec Dt:
02/02/2017
Assignee
1
SHOWA DENKO K.K.
13-9, SHIBA DAIMON, 1-CHOME, MINATO-KU
TOKYO, JAPAN 105-8518
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20170341342
15533261
Correspondence name and address
SUGHRUE MION, PLLC
2100 PENNSYLVANIA AVENUE NW
WASHINGTON, DC 20037

Search Results as of: 04/29/2024 04:52 PM
If you have any comments or questions concerning the data displayed, contact PRD / Assignments at 571-272-3350. v.2.6
Web interface last modified: August 25, 2017 v.2.6
| .HOME | INDEX| SEARCH | eBUSINESS | CONTACT US | PRIVACY STATEMENT