Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8002246 | Aeration apparatus | Toshihiko Eguchi | 2011-08-23 |
| 4998283 | Screen device | Tsutomu Nishida, Kazuyasu Yamamoto, Naoki Shintani, Naoji Okumura, Yasuaki Sakanishi | 1991-03-05 |
| 4816915 | Two-picture television receiver | Kiyoshi Imai | 1989-03-28 |
| 4796089 | Television receiver display apparatus having multi-image display capability | Kiyoshi Imai, Makoto Ishida | 1989-01-03 |
| 4433395 | Apparatus and method for refreshing non-volatile memory | Sadahiro Iyehara, Minoru Ueda, Keisuke Yamamoto, Tatsuhiro Hosokawa, Yukio Furuta | 1984-02-21 |
| 4399463 | Signal detector circuit | Masaaki Fujita | 1983-08-16 |
| 4264880 | Signal generator for producing pulse signals for a remote control | Yoshikazu Tsuboi | 1981-04-28 |
| 4209775 | D-A Converter utilizing a main and auxiliary pulse generator to control the duty factor of an averaged pulse train signal | Yukio Koyanagi | 1980-06-24 |
| 4191924 | Channel selection apparatus | Masahiro Takeshita, Minoru Ueda, Keisuke Yamamoto | 1980-03-04 |