Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5237750 | Hair clipper | Ryuichi Nakano, Hideaki Haraguchi | 1993-08-24 |
| 5185931 | Hair cutter | Hideaki Haraguchi | 1993-02-16 |
| 5123159 | Hair clipper | Nobuhiro Kubo, Seiko Chikano | 1992-06-23 |
| 5060380 | Hair cutter with comb | — | 1991-10-29 |
| 5054199 | Hair cutter | Hitoshi Ogawa | 1991-10-08 |
| 5050304 | Hair clipper | Masakatsu Araki, Shinichiro Tsujimura | 1991-09-24 |
| 4563009 | Golf putting practice device | Haruki Nagasaki, Koichi Iwanaga | 1986-01-07 |