Issued Patents All Time
Showing 26–40 of 40 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5396355 | Optically compensating film, optical compensator and liquid crystal display | Hiroshi Wada, Osamu Okumura, Rinjiro Ichikawa, Kenji Hashimoto, Takashi Yamada | 1995-03-07 |
| 5343317 | Optically compensating film, optical compensator, and liquid crystal display incorporating the same | Hiroshi Wada, Osamu Okumura, Rinjiro Ichikawa, Kenji Hashimoto, Takashi Yamada | 1994-08-30 |
| 5337174 | Optical compensator and liquid crystal display | Hiroshi Wada, Osamu Okumura, Rinjiro Ichikawa, Kenji Hashimoto, Takashi Yamada | 1994-08-09 |
| 5136405 | Liquid crystal display device with compensator having .DELTA.nxd and twist angle calculated using the liquid crystal's parameters | Hiroshi Wada, Chiyoaki Iijima | 1992-08-04 |
| 5088811 | Laser beam scanning type eye fundus observing device | Masayuki Hideshima, Akihiko Sekine | 1992-02-18 |
| 4968130 | Laser beam scanning type ophthalmological instrument | Masayuki Hideshima, Akihiko Sekine, Takashi Yokokura | 1990-11-06 |
| 4909606 | Liquid crystal display device | Hiroshi Wada, Chiyoaki Iijima | 1990-03-20 |
| 4854691 | Laser beam scanning type eye fundus camera | Akihiko Sekine, Takashi Yokokura, Kazuo Nunokawa, Masayuki Hideshima | 1989-08-08 |
| 4848895 | Automatic eye refractive power measuring apparatus | Yasuo Kato, Kiwami Horiguchi, Ikuo Kitao | 1989-07-18 |
| 4844569 | Liquid crystal display device and method of fabrication | Hiroshi Wada, Chiyoaki Iijima | 1989-07-04 |
| 4676612 | Eye examining apparatus | Katsuhiko Kobayashi | 1987-06-30 |
| 4591247 | Eye refractometer | Minoru Kamiya, Masayuki Masuyama, Ikuo Kitao, Kiwami Horiguchi | 1986-05-27 |
| 4408847 | Refractory power measuring device | Yoshinori Oana, Ikuo Kitao, Yasuo Kato, Taketoshi Ishihara | 1983-10-11 |
| 4306778 | Eye refractmeters using infrared rays | Ikuo Kitao, Yasuo Kato, Taketoshi Ishihara, Yuji Sugahara | 1981-12-22 |
| 4304468 | Eye refractometer having a viewing target projecting system | — | 1981-12-08 |