Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4879087 | Nuclear power plant | Takao Akiyama, Isao Sumida | 1989-11-07 |
| 4872948 | Method and apparatus for controlling centrifugal thin film dryer | Mitsuo Kinoshita, Hiroji Mikawa, Koichi Chino | 1989-10-10 |
| 4811328 | Optical recording and reproducing device | Hiroshi Sasaki, Yoshio Sato, Satoshi Shimada, Norifumi Miyamoto, Nobuyoshi Tsuboi +2 more | 1989-03-07 |