Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6853501 | Focusing method selectable zoom optical system | — | 2005-02-08 |
| 6226130 | Zoom lens | Akihisa Horiuchi | 2001-05-01 |
| 6178049 | Zoom lens | Akihisa Horiuchi | 2001-01-23 |
| 5784205 | Zoom lens | Hiroki Nakayama, Akihisa Horiuchi, Yasunori Murata, Fumihito Wachi | 1998-07-21 |
| 5754346 | Zoom lens | Hiroki Nakayama, Akihisa Horiuchi, Yasunori Murata, Fumihito Wachi | 1998-05-19 |
| 5739961 | Zoom lens | Hiroki Nakayama, Akihisa Horiuchi, Yasunori Murata, Fumihito Wachi | 1998-04-14 |
| 5712733 | Zoom lens of rear focus type | — | 1998-01-27 |
| 5583697 | Rear-focus type zoom lens with movable second and fourth lens units for zooming and focusing | — | 1996-12-10 |
| 5337115 | Focus detecting device | — | 1994-08-09 |
| 5146366 | Four-group zoom lens | — | 1992-09-08 |
| 5056900 | Zoom lens | Akihisa Horiuchi, Yasunori Murata, Akihiro Nishio | 1991-10-15 |
| 5050972 | Zoom lens | Nobuyoshi Suzuki, Hiroyuki Hamano, Muneharu Sugiura, Akihisa Horiuchi | 1991-09-24 |
| 4934796 | Zoom lens | Muneharu Sugiura, Akihisa Horiuchi, Hiroyuki Hamano, Nobuyoshi Suzuki | 1990-06-19 |
| 4846563 | Compact zoom lens of large aperture ratio | — | 1989-07-11 |
| 4812024 | Zoom lens | — | 1989-03-14 |
| 4770510 | Zoom lens | — | 1988-09-13 |