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 Abstract of Title
NOTE:Results display only for issued patents and published applications. For pending or abandoned applications please consult USPTO staff.

Total Assignments: 5
Patent #:
9290498
Issue Dt:
03/22/2016
Application #:
13502520
Filing Dt:
04/17/2012
Publication #:
20120205640
Pub Dt:
08/16/2012
Inventors:
Takahiro Kai, Toshihiro Yamamoto, Masaki Komori, Kazuaki Yoshimura, Yusuke Nakajima et al
Title:
ORGANIC ELECTROLUMINESCENT DEVICE HAVING AN ELECTRON- AND/OR EXCITON-BLOCKING LAYER COMPRISING AN INDOLOCARBAZOLE COMPOUND
Assignment: 1
Reel/Frame:
028062/0163Recorded: 04/17/2012Pages: 4
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
KAI, TAKAHIRO
Exec Dt:
03/28/2012
YAMAMOTO, TOSHIHIRO
Exec Dt:
03/28/2012
KOMORI, MASAKI
Exec Dt:
03/28/2012
YOSHIMURA, KAZUAKI
Exec Dt:
03/28/2012
TSUJI, TAISHI
Exec Dt:
03/28/2012
TAKAHASHI, YASUHIRO
Exec Dt:
03/28/2012
YUKI, TOSHINAO
Exec Dt:
03/28/2012
NAKAJIMA, YUSUKE
Exec Dt:
03/28/2012
Assignees:
NIPPON STEEL CHEMICAL CO., LTD.
14-1, SOTOKANDA 4-CHOME
CHIYODA-KU, TOKYO, JAPAN 101-0021
PIONEER CORPORATION
1-1, SHIN-OGURA, SAIWAI-KU
KAWASAKI-SHI, KANAGAWA, JAPAN 212-0031
TOHOKU PIONEER CORPORATION
1105, AZA-NIKKO, OAZA-KUNOMOTO
TENDO-SHI, YAMAGATA, JAPAN 994-8585
Correspondent:
LEE CHENG
1100 17TH STREET N.W. STE 503
WASHINGTON, DC 20036
Assignment: 2
Reel/Frame:
030049/0771Recorded: 03/20/2013Pages: 17
Conveyance:
CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor:
NIPPON STEEL CHEMICAL CO., LTD.
Exec Dt:
10/01/2012
Assignee:
NIPPON STEEL & SUMIKIN CHEMICAL CO., LTD.
14-1, SOTOKANDA 4-CHOME, CHIYODA-KU
TOKYO, JAPAN
Correspondent:
BIRCH STEWART KOLASCH & BIRCH LLP
PO BOX 747
FALLS CHURCH, VA 22040-0747
Assignment: 3
Reel/Frame:
047805/0595Recorded: 12/18/2018Pages: 20
Conveyance:
CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor:
NIPPON STEEL & SUMIKIN CHEMICAL CO., LTD.
Exec Dt:
10/02/2018
Assignee:
NIPPON STEEL CHEMICAL & MATERIAL CO., LTD.
14-1, SOTOKANDA 4-CHOME, CHIYODA-KU
TOKYO, JAPAN
Correspondent:
BIRCH, STEWART, KOLASCH & BIRCH, LLP
8110 GATEHOUSE ROAD
SUITE 100 EAST
FALLS CHURCH, VA 22042
Assignment: 4
Reel/Frame:
050998/0200Recorded: 11/13/2019Pages: 4
Conveyance:
CHANGE OF ADDRESS
Assignor:
NIPPON STEEL CHEMICAL & MATERIAL CO., LTD.
Exec Dt:
05/27/2019
Assignee:
NIPPON STEEL CHEMICAL & MATERIAL CO., LTD.
13-1, NIHONBASHI 1-CHOME, CHUO-KU
TOKYO, JAPAN 103-0027
Correspondent:
BIRCH, STEWART, KOLASCH & BIRCH, LLP
8110 GATEHOUSE ROAD
SUITE 100 EAST
FALLS CHURCH, VA 22042
Assignment: 5
Reel/Frame:
064153/0626Recorded: 07/05/2023Pages: 4
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
PIONEER CORPORATION
Exec Dt:
06/13/2023
TOHOKU PIONEER CORPORATION
Exec Dt:
06/13/2023
Assignee:
NIPPON STEEL CHEMICAL & MATERIAL CO., LTD.
13-1, NIHONBASHI 1-CHOME, CHUO-KU
TOKYO, JAPAN 103-0027
Correspondent:
BIRCH, STEWART, KOLASCH & BIRCH, LLP
8110 GATEHOUSE ROAD
FALLS CHURCH, VA 22042

Search Results as of: 04/28/2024 04:00 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