Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4649642 | Trimmer construction for electric shavers | Masami Kitamura, Yoji Iguchi | 1987-03-17 |
| 4563009 | Golf putting practice device | Shoji Fujikawa, Koichi Iwanaga | 1986-01-07 |