Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12377524 | Electric work machine with flat-shaped substrate for accommodating light emitter | Masahiro Kojima, Akihiro Hara, Akira Hachisuka | 2025-08-05 |
| 10994404 | Electric tool | Ryunosuke Kumagai, Shin Sugiura, Akira Mizutani, Takahiro Kawakami | 2021-05-04 |
| 10155304 | Electric tool | Ryunosuke Kumagai, Shin Sugiura, Akira Mizutani, Takahiro Kawakami | 2018-12-18 |
| 9630310 | Electric tool | Ryunosuke Kumagai, Shin Sugiura, Akira Mizutani, Takahiro Kawakami | 2017-04-25 |
| 9434063 | Handle portion of hand-held electric tool | Tomoyuki Kondo, Manabu Sugimoto, Eiji Kondo | 2016-09-06 |
| 8651198 | Spindle lock devices for screwdrivers | — | 2014-02-18 |
| 8596377 | Handle portion of hand-held electric tool | Tomoyuki Kondo, Manabu Sugimoto, Eiji Kondo | 2013-12-03 |
| 8353364 | Handle portion of hand-held electric tool | Tomoyuki Kondo, Manabu Sugimoto, Eiji Kondo | 2013-01-15 |
| D554461 | Portable electric driver | Kiyozumi Kokawa, Hidenori Nagasaka | 2007-11-06 |
| D525505 | Portable electric drill | Yuji Yamamoto | 2006-07-25 |