Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5777453 | Method and apparatus for recharging batteries using a step shaped voltage pulse | — | 1998-07-07 |
| 5146376 | Tape cassette | Hirokazu Maeda | 1992-09-08 |
| 5009296 | Power transmitting apparatus for use in vehicle | Osamu Ohkawa, Tetsuya Tamahoko | 1991-04-23 |
| 4889315 | Electrically opening and closing faucet device | — | 1989-12-26 |