Issued Patents All Time
Showing 76–92 of 92 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6396225 | DC current brushless motor driving apparatus and air conditioner with using thereof | Toyomitsu Wakui, Kouji Katou, Hideki Terauchi, Minoru Makita, Kisasu Kaneko +2 more | 2002-05-28 |
| 6351332 | Optical low-pass filter and optical apparatus having the same | Shuichi Kobayashi, Ken Wada | 2002-02-26 |
| 6327092 | Cross dichroic prism | — | 2001-12-04 |
| 6310728 | Image viewing apparatus | Junko Kuramochi | 2001-10-30 |
| 6292301 | Optical viewing system for use in head-mounted display | Junko Kuramochi | 2001-09-18 |
| 6273568 | Projection apparatus | — | 2001-08-14 |
| 6257726 | Illuminating apparatus and projecting apparatus | — | 2001-07-10 |
| 6246526 | Light irradiating apparatus and image displaying apparatus | — | 2001-06-12 |
| 6212013 | Projection type display apparatus | Hiroyuki Kodama | 2001-04-03 |
| 6144493 | Optical low-pass filter and optical apparatus having the same | Shuichi Kobayashi, Ken Wada | 2000-11-07 |
| 6031587 | Optical member, optical instrument including the same, and method of manufacturing the optical member | Ken Wada | 2000-02-29 |
| 5815741 | Image observing apparatus and imaging apparatus utilizing the image observing apparatus | Shouichi Yamazaki | 1998-09-29 |
| 5706136 | Optical system, and image observing apparatus and image pickup apparatus using it | Shoichi Yamazaki | 1998-01-06 |
| 5689736 | Image observation apparatus | Shoichi Yamazaki | 1997-11-18 |
| 5648871 | Projection apparatus utilizing an anamorphic optical system | Hideo Yokota, Katsumi Azusawa | 1997-07-15 |
| 5633846 | Positioning device for optical disc apparatus | Takashi Yoshida, Fujio Tajima, Masamichi Ito, Yasuhiro Mii, Masato Soma +1 more | 1997-05-27 |
| 5341243 | Zoom lens of rear focus type | Kenichi Kimura, Saburo Sugawara | 1994-08-23 |