Inventor
Kimichika Yamada
Inventor
Tokyo, JP
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G11Bprimary
G11BInformation storage based on relative movement between record carrier and transducer58%
F16HGearing8%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them8%
G05GControl devices or systems insofar as characterised by mechanical features only8%
H04NPictorial communication, e.g. television8%
Y10TTechnical subjects covered by former us classification8%
PatentTitleYear
4,939,602'Cassette holder mechanism'19904,912,579'Cassette holder mechanism'19904,858,042'Cassette insertion detecting mechanism'19894,855,848'Double insertion and inner lid float preventing mechanism'19894,841,392'Tape loading apparatus having an arrangement for controlling movement of a guide roller holder arm'19894,831,473'Dust door mechanism in tape player'19894,785,362'Driving force branching gear mechanism'19884,631,590'Automatic camera control system'19864,331,398'Device for transporting slide film mounts in a slide film projector'1982Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1982Patents assigned to COPAL CO LTD (1)· patent assignee history
1982Based in Kawaguchi, JP· patent location history
1986–1990Patents assigned to CLARION CO LTD (8)· patent assignee history
1986–1990Based in Tokyo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CLARION CO LTD | 8 | 1986–1990 |
| COPAL CO LTD | 1 | 1982 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 8 | 1986–1990 |
| Kawaguchi, JP | 1 | 1982 |