Inventor
Takao Matsumura
Inventor
Tokyo, JP
Overview
Patents· 4 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 communication20%
H04NPictorial communication, e.g. television20%
H10DInorganic electric semiconductor devices20%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1020%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests20%
PatentTitleYear
11,063,871Communication apparatus, communication method, non-transitory recording medium, and communication system20215,922,623'Hydrogen fluoride vapor phase selective etching method for fabricating semiconductor devices'19995,473,339'Liquid crystal projector'19954,676,840'Method of capless annealing for group III-V compound semiconductor substrate'1987Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1987–1999Patents assigned to NEC CORP (2)· patent assignee history
1987–1999Based in Tokyo, JP· patent location history
1995Patents assigned to SANYO ELECTRIC CO (1)· patent assignee history
1995Based in Ikoma, JP· patent location history
2021Patents assigned to TOYOTA MOTOR CO LTD (1)· patent assignee history
2021Based in Toyota, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NEC CORP | 2 | 1987–1999 |
| SANYO ELECTRIC CO | 1 | 1995 |
| TOYOTA MOTOR CO LTD | 1 | 2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 2 | 1987–1999 |
| Toyota, JP | 1 | 2021 |
| Ikoma, JP | 1 | 1995 |