Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5855157 | Saw blade | Hidezumi Okamura, Ryuji Ohtani, Isao Fuwa, Noboru Kusano, Masahiro Ikegami +1 more | 1999-01-05 |
| 5044233 | Depth adjuster for rotary tools such as screwdrivers | Kunihiko Tatsu, Syoichi Hongo, Masao Yamamoto | 1991-09-03 |
| 5031925 | Keyless chuck for rotary tool | Kunihiko Tatsu | 1991-07-16 |
| 4679990 | Electric blower | Izumi Yamaura, Masami Fukumoto | 1987-07-14 |
| 4581787 | Vacuum cleaner | Tadafumi Kubo | 1986-04-15 |
| 4431048 | Heat-exchange fan apparatus | Kunihito Mori, Toshiyoshi Yamamoto | 1984-02-14 |