Issued Patents 1989
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4882615 | Video signal processing system | Katsuji Yoshimura, Tadayoshi Nakayama, Hisashi Ishikawa | 1989-11-21 |
| 4873587 | Video signal reproducing apparatus with memory | Katsuji Yoshimura, Susumu Kozuki, Hiroo Edakubo | 1989-10-10 |
| 4870510 | Video signal reproducing apparatus using memory | Hiroo Edakubo, Susumu Kozuki, Katsuji Yoshimura | 1989-09-26 |
| 4864430 | Video signal reproducing apparatus with memory and capability for reproducing at diverse reproduction speeds | Katsuji Yoshimura, Susumu Kozuki, Hiroo Edakubo, Koji Takahashi | 1989-09-05 |
| 4849833 | Image signal recording apparatus | Katsuji Yoshimura, Toshiyuki Masui, Tadayoshi Nakayama | 1989-07-18 |
| 4828059 | Wall-crawling machine | Shinji Naito, Kenji Tsuchita, Yoshiaki Ichikawa, Shigeru Kajiyama | 1989-05-09 |
| 4797741 | Information signal transmission system | Tadayoshi Nakayama, Koji Takahashi, Tomohiko Sasatani | 1989-01-10 |