Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11173553 | Cutting tool | Yuki Tsutsumi | 2021-11-16 |
| 11141799 | Drill | — | 2021-10-12 |
| D822076 | Drill | Yuki Tsutsumi | 2018-07-03 |
| 9140197 | Valve timing control apparatus | Kazuhiro Sasao, Takashi Ooga, Takehiro TANAKA, Kosei Takagi, Yuusuke YASUKI +1 more | 2015-09-22 |
| 7174968 | Hydraulic excavator | Takayuki Okunishi, Hiroshi Shimokakiuchi, Hiroshi Morita, Shintaro Sakitani, Yoshiyasu Umezu | 2007-02-13 |