Inventor
Youji Watanabe
Inventor
Sagamihara, JP
Overview
Patents· 15 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Bprimary
G03BApparatus or arrangements for taking photographs or for projecting or viewing them47%
G02BOptical elements, systems or apparatus37%
H04NPictorial communication, e.g. television11%
D01HSpinning or twisting5%
PatentTitleYear
RE039674'Peripheral and camera system using the same, for rewriting programs stored in a camera'20076,839,511'Camera system, camera, accessory device and method for judging and controlling an accessory device'20056,343,191'Camera having both silver-salt picture-taking function and electronic-image pickup function'20026,219,494'Peripheral and camera system using the same, for rewriting programs stored in a camera'20015,430,513'Automatic film feeding apparatus for camera'19955,060,005'Camera system'19915,030,981'Automatic focusing camera'19914,998,129'Diaphragm control apparatus of a camera'19914,984,000'Lens driving apparatus for a camera'19914,896,179'Lens drive apparatus for camera'19904,873,543'Automatic focusing camera'19894,853,733'Program rewritable camera'19894,816,858'Automatic focusing cameras'19894,743,931'Apparatus for delivering distance information of camera'19884,703,431'Sliver drawing apparatus'1987Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1987Patents assigned to CHUBA SEIKO CO LTD (1)· patent assignee history
1987Based in Kasugai, JP· patent location history
1988–2007Patents assigned to OLYMPUS OPTICAL CO (14)· patent assignee history
1988–1991Based in Sagamihara, JP· patent location history
1995Based in Tokyo, JP· patent location history
2001–2007Based in Fuchu, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| OLYMPUS OPTICAL CO | 14 | 1988–2007 |
| CHUBA SEIKO CO LTD | 1 | 1987 |
Locations
| Location | Patents | Span |
|---|---|---|
| Sagamihara, JP | 9 | 1988–1991 |
| Fuchu, JP | 4 | 2001–2007 |
| Tokyo, JP | 1 | 1995 |
| Kasugai, JP | 1 | 1987 |