Inventor
Yutaka Kohtani
Inventor
Yokohama, JP
Overview
Patents· 10 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 them36%
G11BInformation storage based on relative movement between record carrier and transducer21%
H03GControl of amplification21%
H04NPictorial communication, e.g. television21%
PatentTitleYear
5,608,457'Video camera apparatus'19974,956,726'Information signal reproducing apparatus in which control signal condition and information signal level are varied so as to correspond'19904,591,919'Automatic focus control system and camera using same'19864,396,955'Muting device'19834,311,369'Sound motion picture camera'19824,274,718'Sound motion picture camera'19814,208,108'Sound motion picture projector'19804,146,312'Sound motion picture camera and sound motion picture system'19794,134,079'Automatic gain control circuit for sound motion picture camera'1979RE029776'Exposure control device'1978Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1978–1997Based in Yokohama, JP· patent location history
1979–1997Patents assigned to CANON KK (9)· patent assignee history
1986Based in Kanagawa, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CANON KK | 9 | 1979–1997 |
Locations
| Location | Patents | Span |
|---|---|---|
| Yokohama, JP | 9 | 1978–1997 |
| Kanagawa, JP | 1 | 1986 |