Issued Patents All Time
Showing 51–54 of 54 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5452174 | Power source circuit incorporating a protection device therein and a printer device employing the same | Naoji Akutsu, Yasuhiro Shirai | 1995-09-19 |
| 5191863 | Rotary sleeve-valve internal combustion engine | — | 1993-03-09 |
| 5102043 | Method and apparatus for producing snow using ultrasonic waves | Masanori Inoue, Susumu Kishi, Koji Ishihara | 1992-04-07 |
| 4822211 | Method and apparatus for laying cable in a pipe | Yasuhiro Shinoda, Yoshifumi Takahashi, Tsuneto Takaso, Yoshiaki Ishii | 1989-04-18 |