Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5128915 | Optical pickup device | Tsukasa Yamashita, Nobuhisa Inoue, Shiro Ogata, Mitsutaka Katoh, Kazuhiko Mori +1 more | 1992-07-07 |
| 5111447 | Integral pick up for an optical digital disc using saw deflection and lense | Tsukasa Yamashita, Nobuhisa Inoue, Mori Kazuhiko, Isao Taguchi | 1992-05-05 |
| 4850666 | Slab-type optical device | Masayuki Izutsu, Tadasi Sueta | 1989-07-25 |
| 4763973 | Waveguide-type optical sensor | Nobuhisa Inoue, Tsukasa Yamashita | 1988-08-16 |
| 4762383 | Two dimensional light beam deflectors utilizing thermooptical effect and method of using same | Tsukasa Yamashita, Kazuhiko Mori, Nobuhisa Inoue | 1988-08-09 |
| 4747090 | Integral pickup for an optical digital disc using saw deflection and lenses | Tsukasa Yamashita, Nobuhisa Inoue, Kazuhiko Mori, Isao Taguchi | 1988-05-24 |
| 4737946 | Device for processing optical data with improved optical allignment means | Tsukasa Yamashita, Nobuhisa Inoue, Shiro Ogata, Mitsutaka Katoh, Kazuhiko Mori +1 more | 1988-04-12 |
| 4674827 | Slab-type optical device | Masayuki Izutsu, Tadasi Sueta | 1987-06-23 |
| 4604707 | Device and method for comparing optical signals | Tsukasa Yamashita, Nobuhisa Inoue, Kazuhiko Mori | 1986-08-05 |
| 4595253 | Parallel-to-serial conversion of optical data using acousto-optical diffraction | Tsukasa Yamashita, Kazuhiko Mori, Norihiro OTA | 1986-06-17 |
| 4568911 | Method and device for optical D-A conversion | Ysukasa Yamashita, Kazuhiko Mori, Nobuhisa Inoue | 1986-02-04 |
| 4532632 | Tunable semiconductor laser | Tsukasa Yamashita, Kazuhiko Mori, Norihiro OTA | 1985-07-30 |
| 4491384 | Optical switch device | Tsukasa Yamashita, Kazuhiko Mori, Norihiro OTA | 1985-01-01 |