Issued Patents All Time
Showing 51–61 of 61 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8144403 | Zoom lens system, optical apparatus, and method for zooming | Takeshi Suzuki, Hiroshi Yamamoto | 2012-03-27 |
| 8066081 | Small-sized tiller | Koichi Azuma, Tomomi Nakaya, Masayuki Sasaoka | 2011-11-29 |
| 7961409 | Zoom lens system, optical apparatus, and method for zooming | Hiroshi Yamamoto, Takeshi Suzuki | 2011-06-14 |
| 7905339 | Operation mechanism of working machine | Kazuyoshi Miyahara, Nobuo Yamazaki | 2011-03-15 |
| 7839577 | Zoom optical system, optical instrument incorporating the zoom optical system, and method of manufacturing the zoom optical system | Hiroshi Yamamoto, Satoshi Yamaguchi, Atsushi Shibayama | 2010-11-23 |
| 7492524 | Zoom lens system, imaging apparatus, method for vibration reduction, and method for varying focal length | — | 2009-02-17 |
| 7253965 | Zoom lens system with vibration reduction | Atsushi Shibayama, Takeshi Suzuki | 2007-08-07 |
| 7136231 | Zoom lens system | Motoyuki Ohtake | 2006-11-14 |
| 7007355 | Method of manufacturing a piezoelectric/electrostrictive device | Koji Ikeda, Kazuyoshi Shibata, Fumitake Takahashi | 2006-03-07 |
| 6578934 | Snow removal machine | Takahiro Yamamoto, Norikazu Shimizu, Masakatsu Kono | 2003-06-17 |
| 6327799 | Snow-removing machine | Jitsumi Hanafusa, Seishu Sakai, Takahiro Yamamoto, Masayuki Yamamoto | 2001-12-11 |