Issued Patents All Time
Showing 126–141 of 141 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5469272 | Digital signal recording and/or reproducing apparatus | Yukio Kubota, Takao Takahashi, Hiroshi Kobayashi | 1995-11-21 |
| 5455941 | System for detecting improper rewrites of data system for using separate reader writer passwords | Yasuhiro Okuno, Tadashi Yamakawa, Masaaki Nagashima, Takahiro Kurosawa | 1995-10-03 |
| 5440731 | Method of detecting unjustifiable reloading of stored data | Masaaki Nagashima, Tadashi Yamakawa, Yasuhiro Okuno, Takahiro Kurosawa | 1995-08-08 |
| 5380643 | Silver halide photographic light-sensitive material | — | 1995-01-10 |
| 5142375 | Video camera integral with magnetic recording and reproducing device, and with color video signal processing apparatus | Tokuya Fukuda | 1992-08-25 |
| 5075209 | Silver halide photographic light-sensitive material | — | 1991-12-24 |
| 5040149 | Semiconductor memory with divided readout from storage | Norio Ebihara, Hiroyuki Kita, Yoshihito Ohsawa | 1991-08-13 |
| 4974235 | Method of adaptive quantization in differential pulse code modulation and a system for transmitting quantized data | Hisayoshi Moriwaki, Hideki Fukasawa, Hiromi Takano, Kenzo Akagiri | 1990-11-27 |
| 4864402 | Video memory | Norio Ebihara, Hiroyuki Kita, Yoshihito Ohsawa | 1989-09-05 |
| 4816928 | Apparatus for recording reproducing a still image and corresponding audio information in respective tracks on a disk with the audio compressed on segments of a track | Katsuhiko Ueno, Eiichi Ichimura, Yasumasa Kodama | 1989-03-28 |
| 4777537 | Signal recording apparatus and method | Katsuhiko Ueno, Koji Iijima, Masaaki Arai | 1988-10-11 |
| 4725894 | Digital conversion system for a color video signal that is capable of converting an analog composite and an analog component video signal into a digital composite signal and a digital component color signal | Masaaki Arai | 1988-02-16 |
| 4701871 | Signal generator using digital memory | Masaaki Arai | 1987-10-20 |
| 4668988 | Non-linear digital emphasis circuit | Masaaki Arai | 1987-05-26 |
| 4626911 | Digital data recovery circuit | Eiichi Ichimura | 1986-12-02 |
| 4564560 | Recording sheets for water base ink and process for making the same | Hideki Tani, Makoto Arai, Kazuhide Hayama, Akira Yamashita | 1986-01-14 |