Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6643020 | Optical analysis method for inhomogeneous turbid media | Kazuji Matsumoto | 2003-11-04 |
| 5717627 | Optical memory device incorporating photodetector devices and light emitting devices | — | 1998-02-10 |
| 5534992 | Optical measuring apparatus | Akira Takeshima, Musubu Koishi, Yoshihisa Warashina | 1996-07-09 |
| 5336902 | Semiconductor photo-electron-emitting device | Minoru Nigaki, Tuneo Ihara, Toru Hirohata, Tomoko Suzuki, Kimitsugu Nakamura +4 more | 1994-08-09 |
| 5227638 | Method and apparatus for evaluating luminous efficiency | Takashi Iida, Eiji Inuzuka | 1993-07-13 |
| 5109358 | Optical flip-flop circuit | Kazutoshi Nakajima, Toru Hirohata, Takashi Iida, Yoshihisa Warashina, Kenichi Sugimoto +1 more | 1992-04-28 |
| 5068815 | Optical full adder | Kazutoshi Nakajima, Toru Hirohata, Takashi Iida, Yoshihisa Warashina, Kenichi Sugimoto +2 more | 1991-11-26 |
| 5051573 | Optical logic operation system | Kazutoshi Nakajima, Toru Hirohata, Takashi Iida, Yoshihisa Warashina, Kenichi Sugimoto +1 more | 1991-09-24 |
| 5044744 | Method and apparatus for distance measurement using electromagnetic waves | Ichizo Ogawa, Yoshihisa Warashina, Koji Ichie, Morio Takeichi, Akira Takeshima | 1991-09-03 |
| 5034921 | High speed optical memory circuit | Kazutoshi Nakajima, Hirofumi Kan, Kenichi Sugimoto, Takashi Iida, Yoshihisa Warashina +1 more | 1991-07-23 |
| 5020064 | Electromagnetic wave device | Takashi Iida, Toru Hirohata, Kenichi Sugimoto, Yoshihisa Warashina, Kazutoshi Nakajima | 1991-05-28 |
| 4875093 | Ultrafast continuous imaging apparatus | Musubu Koishi, Hirofumi Kan | 1989-10-17 |
| 4827317 | Time interval measuring device | Yutaka Tsuchiya, Musubu Koishi, Akira Takeshima | 1989-05-02 |
| 4720734 | Low loss and high speed diodes | Yoshihito Amemiya | 1988-01-19 |
| 4629486 | Process of how to fabricate the microchannel plate | Toshiyuki Uchiyama, Takeo Sugawara, Chiyoshi Okuyama | 1986-12-16 |
| 4587547 | Electrode structure for a semiconductor devices | Yoshihito Amemiya, Takayuki Sugeta | 1986-05-06 |
| 4521794 | Electrode and semiconductor device provided with the electrode | Katsumi Murase | 1985-06-04 |
| 4460417 | Method of manufacturing insulating film and electric device utilizing the same | Katsumi Murase, Teruo Tamama, Yoshihito Amemiya | 1984-07-17 |
| 4434224 | Method of pattern formation | Akira Yoshikawa, Akitsu Takeda, Osamu Ochi, Tomoko Hisaki | 1984-02-28 |
| 4414557 | Bipolar transistors | Yoshihito Amemiya, Tsuneo Urisu | 1983-11-08 |
| 4350541 | Doping from a photoresist layer | Akitsu Takeda, Akira Yoshikawa, Osamu Ochi, Tomoko Hisaki | 1982-09-21 |
| 4341954 | Photo-electric converting apparatus | Akitsu Takeda, Kazumi Komiya, Masahiro Sakaue, Toshio Ogino, Hideo Itoh +1 more | 1982-07-27 |
| 4320191 | Pattern-forming process | Akira Yoshikawa, Osamu Ochi, Tomoko Hisaki | 1982-03-16 |