Inventor
Youichi Matsumura
Inventor
Kanagawa, JP
Overview
Patents· 13 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Lprimary
H04LTransmission of digital information, e.g. telegraphic communication29%
H04NPictorial communication, e.g. television21%
H04QSelecting11%
H04WWireless communication networks11%
C08LCompositions of macromolecular compounds7%
H04JMultiplex communication7%
C08CTreatment or chemical modification of rubbers4%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds4%
G11CStatic stores4%
H04BTransmission4%
PatentTitleYear
10,999,763User terminal and radio communication method202110,999,025User terminal and radio communication method202110,980,009User terminal and radio communication method20216,456,782'Data processing device and method for the same'20026,353,613'Information transmitter device and transmitting method'20026,347,119'Communication apparatus, communication method and storage medium'20026,154,466'Data transmitting system'20006,136,918'Rubber latexes, graft copolymers, and thermoplastic resin compositions'20006,055,247'Data transmission method, data transmission apparatus and data transmission system'20005,995,516'Data transmitting system'19995,798,414'Resin composition excellent in impact strength'19985,721,738'Data transmission method, system, and apparatus'19985,172,013'Substrate bias generator for semiconductor devices'1992Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1992–2002Patents assigned to SONY CORP (8)· patent assignee history
1992–2002Based in Kanagawa, JP· patent location history
1998–2000Patents assigned to KANEGAFUCHI CHEMICAL IND (2)· patent assignee history
1998Based in Takasago, JP· patent location history
2000Based in Hyogo, JP· patent location history
2021Patents assigned to NTT DOCOMO INC (3)· patent assignee history
2021Based in Tokyo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SONY CORP | 8 | 1992–2002 |
| NTT DOCOMO INC | 3 | 2021 |
| KANEGAFUCHI CHEMICAL IND | 2 | 1998–2000 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kanagawa, JP | 8 | 1992–2002 |
| Tokyo, JP | 3 | 2021 |
| Hyogo, JP | 1 | 2000 |
| Takasago, JP | 1 | 1998 |