Inventor
Wataru Tatsuno
Inventor
Yokohama, JP
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G02Bprimary
G02BOptical elements, systems or apparatus100%
PatentTitleYear
5,699,198'Internal focusing zoom lens system'19975,666,230'Zoom lens'19975,402,268'Telephoto lens system allowing short-distance photographing operation'19955,315,441'Inverse telephoto large aperture wide angle lens'19945,276,553'Ultra wide angle zoom lens'19944,950,055'Retrofocus type wide angle lens'1990Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1990–1997Patents assigned to NIKON CORP (6)· patent assignee history
1990Based in Tokyo, JP· patent location history
1994–1997Based in Yokohama, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NIKON CORP | 6 | 1990–1997 |
Locations
| Location | Patents | Span |
|---|---|---|
| Yokohama, JP | 5 | 1994–1997 |
| Tokyo, JP | 1 | 1990 |