Issued Patents All Time
Showing 101–123 of 123 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5839397 | Engine cooling system and construction machine | Shigehisa Funabashi, Yoshihiro Takada, Masatoshi Watanabe, Shinichi Shimode, Yoshio Tanito +4 more | 1998-11-24 |
| 5808810 | Compact rear focusing zoom lens system | — | 1998-09-15 |
| 5796528 | Wide-angle lens system | — | 1998-08-18 |
| 5671080 | Optical system scanning with a mirror for electronic image pickup apparatus | — | 1997-09-23 |
| 5570233 | Vari-focal lens system | Hironori Shibata | 1996-10-29 |
| 5313331 | Zoom lens system having a short total length | — | 1994-05-17 |
| 5296969 | Zoom lens system having a short total length | — | 1994-03-22 |
| 5260834 | Small zoom lens system | Hironori Shibata | 1993-11-09 |
| 5248807 | Triterpene derivatives | Masafumi Fujimoto, Kensuke Sakurai, Miharu Nakamura, Toshiro Konoike | 1993-09-28 |
| 5189558 | Vari-focal system having short total length | Atsujiro Ishii, Tsutomu Uzawa | 1993-02-23 |
| 5187359 | Electronic imaging device for use with photographic cameras for minimizing astigmatism | — | 1993-02-16 |
| 5184223 | Electronic imaging apparatus | — | 1993-02-02 |
| 5168402 | Vari-focal lens system | — | 1992-12-01 |
| 5119237 | Zoom lens system | — | 1992-06-02 |
| 4973143 | Zoom lens system | Atsujiro Ishii | 1990-11-27 |
| 4969721 | Zoom lens system | — | 1990-11-13 |
| 4911540 | Zoom lens system | — | 1990-03-27 |
| 4906079 | Zoom lens system | Norihiko Aoki, Tsutomu Inanobe, Takeshi Hashimoto | 1990-03-06 |
| 4729222 | Brake circuit apparatus for hydraulic motor | Hideaki Tanaka, Toichi Hirata, Genroku Sugiyama, Kuniaki Yoshida | 1988-03-08 |
| 4527868 | Large-aperture ratio telephoto lens system | — | 1985-07-09 |
| 4483597 | Large aperture ratio telephoto lens system | — | 1984-11-20 |
| 4478497 | Attachment lens system | — | 1984-10-23 |
| 4457595 | Large relative aperture telephoto lens system | — | 1984-07-03 |