Issued Patents All Time
Showing 76–81 of 81 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4612232 | Rolled thermal transfer carbon ribbon structure with lead tape | Takeshi Obara, Toshirou Gotou | 1986-09-16 |
| 4473288 | Photographic device with screen for controlling gradation of photographed image | Kaoru Onodera, Satoru Hohnishi, Kazuo Shiozawa | 1984-09-25 |
| 4376251 | Waveform shaping circuit | Tsutomu Kakuya | 1983-03-08 |
| 4314605 | Condenser | Hiroyuki Sumitomo, Masafumi Doi, Katsutoshi Fukami, Kenzo Kawanishi | 1982-02-09 |
| 4182410 | Plate type condenser | Keido Yoshida, Hiroyuki Sumitomo | 1980-01-08 |
| 4182411 | Plate type condenser | Hiroyuki Sumitomo, Katsutoshi Fukami, Masafumi Doi, Kenzo Kawanishi, Keido Yoshida | 1980-01-08 |