Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6714689 | Image synthesizing method | Hideo Takiguchi, Tatsushi Katayama, Kenji Hatori | 2004-03-30 |
| 5537168 | Projection optical apparatus comprising automatic adjustment unit | Nozomu Kitagishi, Shoji Suzuki, Shuichiro Saito, Masaharu Suzuki, Toru Matsuda +1 more | 1996-07-16 |
| 5331462 | Zoom lens having a long back focal length | — | 1994-07-19 |
| 5303087 | Retrofocus type lens | Shingo Hayakawa, Nozomu Kitagishi, Shouichi Yamazaki | 1994-04-12 |
| 5289317 | Compact zoom lens | Keiji Ikemori, Hiroki Nakayama | 1994-02-22 |
| 5231431 | Projection type display apparatus | Nozomu Kitagishi | 1993-07-27 |
| 5227919 | Zoom lens | — | 1993-07-13 |
| 5179473 | Zoom lens | Nozomu Kitagishi, Tsunefumi Tanaka | 1993-01-12 |
| 5096288 | Projection apparatus | Nozomu Kitagishi, Tsunefumi Tanaka | 1992-03-17 |
| 5000550 | Wide-angle type zoom lens having inner-focus lens | Sadatoshi Takahashi, Hiroshi Endo | 1991-03-19 |