Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11480762 | Short-wavelength infrared imaging lens and imaging device including two lens groups of −+ refractive powers having seven lenses of −++−−++ refractive powers or eight lenses of −+++−−++ refractive powers | Takao Tanabe, Masaya Ishii | 2022-10-25 |
| 9625681 | Imaging lens and imaging apparatus provided with the same | Hideo Kanda, Michio Cho | 2017-04-18 |
| 9405107 | Zoom lens and imaging apparatus | Michio Cho | 2016-08-02 |
| 9389399 | Wide angle lens and imaging apparatus | — | 2016-07-12 |
| 9279957 | Imaging lens and imaging apparatus including the imaging lens | Hideo Kanda, Takayuki Noda, Tatsuyuki OGINO, Michio Cho, Kazumi Koike | 2016-03-08 |
| 9261678 | Wide angle lens and imaging apparatus | Michio Cho | 2016-02-16 |
| 8059278 | Optical wave interference measuring apparatus | Zongtao Ge, Hideo Kanda, Takayuki Saito | 2011-11-15 |
| 7982882 | Optical wave interference measuring apparatus | Zongtao Ge, Hideo Kanda, Takayuki Saito | 2011-07-19 |
| 6414798 | Eyepiece for picture display device | — | 2002-07-02 |
| 6297916 | Imaging lens for interferometric device | Hideo Kanda | 2001-10-02 |
| 6181479 | Eyepiece lens for a display image observation device | — | 2001-01-30 |
| 6166861 | Wide-angle eyepiece lens | — | 2000-12-26 |
| 6069750 | Wide-field eyepiece | Naomi Watanabe | 2000-05-30 |
| 5663834 | Eyepiece zoom lens system | — | 1997-09-02 |
| 5612823 | Wide-field eyepiece with inside focus | — | 1997-03-18 |
| 5486927 | Digital image forming apparatus using subdivided pixels | Satoshi Haneda, Yoshiyuki Ichihara, Takashi Hasebe, Tetsuya Niitsuma | 1996-01-23 |
| 5467422 | Image forming apparatus with neighboring pixel processing | Yoshiyuki Itihara, Satoshi Haneda, Takashi Hasebe, Tetsuya Niitsuma | 1995-11-14 |
| 5317419 | Image recognition apparatus | — | 1994-05-31 |
| 5198853 | Document size detection apparatus | Yoshiyuki Ichihara, Hiroyuki Futami, Toshihiro Motoi, Jun Nakagawa, Kouichi Sawada | 1993-03-30 |
| 5181074 | Toner replenishing device | Mitsugu Nemoto, Shigeru Okazaki | 1993-01-19 |
| 4976525 | Projection lens system for projectors | Takeshi Matsumura | 1990-12-11 |
| 4951093 | Developing unit for an electrostatic recording apparatus | Kohji Ishii, Hiroyuki Honda, Kazuyuki Tanaka | 1990-08-21 |
| 4882559 | Permanent magnet type demagnetizing head | Kazuya Yamazaki | 1989-11-21 |