Issued Patents All Time
Showing 76–93 of 93 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5094967 | Method for manufacturing semiconductor device having a non-volatile memory cell and logic regions by using a CVD second insulating film | Kazuyoshi Shinada, Takahide Mizutani, Naoki Hanada | 1992-03-10 |
| 5067119 | Recording medium playing apparatus with automatic tonal response setting function | Junichi Yoshio, Osamu Watanabe | 1991-11-19 |
| 5059976 | Coding method of image information | Fumitaka Ono, Shigenori Kino, Tomohiro Kimura | 1991-10-22 |
| 5031008 | MOSFET transistor | — | 1991-07-09 |
| 4899331 | Random reproducing system for disk player | Naoki Masaki | 1990-02-06 |
| 4865407 | Optical waveguide element, method of making the same and optical coupler employing optical waveguide element | Akihiro Suzuki, Makoto Suzuki, Yutaka Hattori, Kazuyuki Miyaki, Kazunari Taki +1 more | 1989-09-12 |
| 4792781 | Chip-type resistor | Tetsuo Takahashi, Eisaku Miyauchi, Shunichi Kumagai, Akio Sasaki | 1988-12-20 |
| 4761692 | Method and apparatus for data recording disc playback | Izumi Ueda, Hidehiro Ishii, Takahumi Shiba, Fumihiro Nakajima | 1988-08-02 |
| 4642812 | Sound field enlarging device and method | Junichi Yoshio, Toshio Hirano, Kenichiro Yasukawa | 1987-02-10 |
| 4639660 | Switching circuit for a power supply in a signal processing apparatus | — | 1987-01-27 |
| 4616271 | Digital audio system with automatic fade in and fade out operations | Kenichiro Yasukawa, Toshio Hirano, Junichi Yoshio | 1986-10-07 |
| 4611689 | Velocity control apparatus for elevator | Shota Suzuki | 1986-09-16 |
| 4603410 | Error signal generating device for use in an apparatus for optically reading information with a resistance network connected to photo detector elements | — | 1986-07-29 |
| 4600915 | Digital-to-analog converter circuit | — | 1986-07-15 |
| 4482031 | AC elevator control apparatus | Masami Nomura, Hiroyuki Ikejima | 1984-11-13 |
| 4481555 | Electromagnetic contact device | Fumio Matsumoto, Shigeharu Otsuka | 1984-11-06 |
| 4354171 | Elevator position detector device | — | 1982-10-12 |
| 4322712 | Elevator speed detecting apparatus | — | 1982-03-30 |