Inventor
Mitsuhiko Oka
Inventor
Saitama, JP
Overview
Patents· 6 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 them42%
G02BOptical elements, systems or apparatus33%
H04NPictorial communication, e.g. television25%
PatentTitleYear
10,459,313Lens barrel and imaging device20199,846,350Lens barrel, method of controlling lens barrel, camera body, method of controlling camera body, imaging device, and method of controlling imaging device20179,791,660'Lens barrel, camera body, and imaging device'20176,786,656'Film magazine'20046,477,333'Image frame changing apparatus for camera'20026,236,519'Viewfinder device'2001Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2001–2004Patents assigned to FUJI PHOTO OPTICAL CO LTD (3)· patent assignee history
2001–2019Based in Saitama, JP· patent location history
2002Based in Omiya, JP· patent location history
2017–2019Patents assigned to FUJIFILM CORP (3)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| FUJI PHOTO OPTICAL CO LTD | 3 | 2001–2004 |
| FUJIFILM CORP | 3 | 2017–2019 |
Locations
| Location | Patents | Span |
|---|---|---|
| Saitama, JP | 5 | 2001–2019 |
| Omiya, JP | 1 | 2002 |