Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12337456 | Power working machine | — | 2025-06-24 |
| 12336464 | Driving apparatus | Kunio Shimizu | 2025-06-24 |
| 12138771 | Electric working tool | Takeshi Maeno, Satsuki Yuzuki, Noriyuki Takeuchi | 2024-11-12 |
| 12083612 | Electric power work device | Kenji Nakano, Noriyuki Takeuchi | 2024-09-10 |
| 11826893 | Electric power work device | Takeshi Maeno, Kenji Nakano | 2023-11-28 |
| 11701769 | Electric working tool | Takeshi Maeno, Satsuki Yuzuki, Noriyuki Takeuchi | 2023-07-18 |
| 11685074 | Hand-held working machine | Takeshi Maeno, Atsushi Nishimura | 2023-06-27 |
| 11453110 | Electric power work device | Kenji Nakano | 2022-09-27 |
| 11141874 | Electric-power-driven working device | Atsushi Nishimura, Kenji Nakano | 2021-10-12 |
| 10487777 | Air leading-type stratified scavenging two-stroke internal-combustion engine | Takahiro Yamazaki, Hidekazu Tsunoda | 2019-11-26 |
| 10113517 | Air cleaner for stratified scavenging two-stroke internal combustion engine | Takahiro Yamazaki, Hidekazu Tsunoda, Yuuta Kobayashi | 2018-10-30 |
| 10036304 | Leading-air type two-stroke air-cooled engine | Takahiro Yamazaki, Hidekazu Tsunoda, Shunsuke Ueda | 2018-07-31 |
| 9988971 | Air leading type two-stroke engine and intake system for same, and carburetor | Takahiro Yamazaki, Hidekazu Tsunoda, Tomoyoshi KUDO | 2018-06-05 |
| 9970349 | Portable working machine | Takuo Yoshizaki, Kosuke Matsumoto, Yuuta Kobayashi, Hiroki Ogasawara | 2018-05-15 |
| 9850910 | Portable working machine | Kosuke Matsumoto, Takuo Yoshizaki, Yuuta Kobayashi | 2017-12-26 |
| 9769984 | Work apparatus with safety equipment | Kazuya Hanada, Tadashi Ishimura, Shunsuke Nakadate | 2017-09-26 |
| 8894735 | Intake device for engine | Takahiro Yamazaki, Ken Shirai, Yuji Numakunai | 2014-11-25 |
| 8832947 | Top-handle working machine | Kazuhiro Yoneyama | 2014-09-16 |
| 8707568 | Top-handle working machine | Kazuhiro Yoneyama | 2014-04-29 |
| 8468910 | Filler member for crankshaft | Takahiro Yamazaki, Ken Shirai, Yuji Numakunai | 2013-06-25 |
| 8397691 | Work apparatus with internal combustion engine | Kosuke Matsumoto | 2013-03-19 |