Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12370667 | Auxiliary grip for impact tool | Hajime Takeuchi, Hiroki Takesashi | 2025-07-29 |
| 12246426 | Rotary hammer | Hajime Takeuchi, Masanori Furusawa | 2025-03-11 |
| D1040628 | Portable electric hammer drill body | Ya Li Zhou, Xian Ming Li | 2024-09-03 |
| 11623333 | Power tool having a hammer mechanism and a cooling fan | Masanori Furusawa, Hajime Takeuchi | 2023-04-11 |
| 10525955 | Negative-pressure-type booster device | Nan Li | 2020-01-07 |
| 10435003 | Negative pressure-type booster device | Nobuyuki Hirota, Minoru Watanabe, Yu Furuta, Eri Tanimoto | 2019-10-08 |
| 10173656 | Negative pressure type booster device | — | 2019-01-08 |
| 7591134 | Vacuum booster of brake device | Yoshiyuki Yasui | 2009-09-22 |
| 7448308 | Vacuum type booster device | Masaki Nakagawa | 2008-11-11 |
| 7370571 | Negative pressure type booster device | Kaoru Tsubouchi | 2008-05-13 |
| 7344203 | Master cylinder | Kaoru Tsubouchi, Katsuhiro Mita, Koji Suzuki | 2008-03-18 |
| 7104612 | Vehicle brake hydraulic pressure generator | Tadashi Terazawa | 2006-09-12 |
| 7080588 | Negative pressure type booster | Kaoru Tsubouchi, Tomoyasu Sakai, Yoko Takatori | 2006-07-25 |
| 7063002 | Negative pressure type booster | Kaoru Tsubouchi, Yoko Takatori | 2006-06-20 |
| 6883415 | Brake booster device | Satoshi Kawasumi, Tomoo Ogura | 2005-04-26 |
| 6881303 | Method and system for pyrolyzing plastic and pyrolysate product | Satoru Aikawa, Norihiro Inagaki, Shigeru Tasaka | 2005-04-19 |
| 5773085 | Method of manufacturing ternary compound thin films | Katsu Tanaka, Shinji Okamoto, Kikuo Kobayashi | 1998-06-30 |