Issued Patents All Time
Showing 26–45 of 45 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5991102 | Beam protecting device | Masahiro Oono, Tunehiko Sonoda, Koichi Maruyama | 1999-11-23 |
| 5978148 | Beam projecting device | Masahiro Oono | 1999-11-02 |
| 5847822 | Optical element inspecting apparatus | Masayuki Sugiura, Toshihiro Nakayama, Atsushi Kida | 1998-12-08 |
| 5838431 | Laser marking device | Satoshi Takami, Teruo Sakai, Noriaki Takahashi, Eiichi Ito | 1998-11-17 |
| 5835207 | Optical member inspecting apparatus | Masayuki Sugiura, Toshihiro Nakayama, Atsushi Kida | 1998-11-10 |
| 5828500 | Optical element inspecting apparatus | Atsushi Kida, Masayuki Sugiura, Toshihiro Nakayama | 1998-10-27 |
| 5675422 | Facsimile apparatus | Nobuyuki Hirai | 1997-10-07 |
| 5315403 | Facsimile apparatus in which input to memory is controlled based upon capacity of external storage device | Nobuyuki Hirai | 1994-05-24 |
| 5026978 | Photoelectric switch having pulse driver circuitry | Fumihiko Misumi, Masazumi Ueda, Yutaka Matsui, Kiyoshi Imai | 1991-06-25 |
| 4990768 | Electronic apparatus including photoelectric switch | Mutsuo Ito, Satoru Shimokawa, Ichiro Kondo | 1991-02-05 |
| 4883955 | Optical encoder with converging means | Harumi Kawasaki | 1989-11-28 |
| 4702008 | Zero setting device in surveying instrument | Shinichi Suzuki, Koji Tsuda, Eiji Takasugi, Toshifumi Kinba, Atsumi Kaneko | 1987-10-27 |
| 4700063 | Encoder output error detecting circuit | — | 1987-10-13 |
| 4678910 | Reference position-detecting device for photoelectric encoder | Atsumi Kaneko | 1987-07-07 |
| 4633419 | Angle measuring device | Masaaki Niiho, Eiji Takasugi | 1986-12-30 |
| 4626682 | Angle measuring device | Masaaki Niiho, Eiji Takasugi, Ryouji Honda | 1986-12-02 |
| 4620092 | Elevation angle measuring device with apparatus for disabling the device when its inclination angle is offset from a predetermined inclination angle | — | 1986-10-28 |
| 4543477 | Safety device for detecting trouble in optical transmission fibers | Yuzuru Doi, Hideo Yoshihama | 1985-09-24 |
| 4540253 | Method and device for measuring eye refraction errors | Shuji Hoshika, Hideyuki Ishiai, Yukiyasu Nishikawa, Hirochika Aiura, Ikuzo Okamoto +1 more | 1985-09-10 |
| 4486080 | Device for detecting blinking of an eye under examination | Kiyoshi Itoh, Yukiyasu Nishikawa, Shuji Hoshika, Hideyuki Ishiai, Ikuzo Okamoto +1 more | 1984-12-04 |