Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11187147 | Work machine | Hiroaki Kojima, Jun Yamamoto, Mitsuhiro Ito | 2021-11-30 |
| 11143139 | Engine device | Shohei Kono | 2021-10-12 |
| 10342154 | Power supply apparatus | — | 2019-07-02 |
| 10280837 | Engine-driven working machine | Hiroshi Koyama | 2019-05-07 |
| 10260456 | Engine-driven working machine | Junji Hiranuma | 2019-04-16 |
| 10247151 | Fuel-tank-equipped working machine | Hiroshi Koyama | 2019-04-02 |
| 10224783 | Engine-driven working machine | Hiroshi Koyama | 2019-03-05 |
| 10122245 | Engine-driven working machine | Hiroshi Koyama | 2018-11-06 |
| 10001055 | Engine-driven working machine housed in outer case with vibration isolating support | Hiroshi Koyama | 2018-06-19 |
| 9017122 | Outboard motor | Yoshihiro Harada, Kunihiko Ishizuka, Naoki Aikawa, Kazuhiro Ishizaka | 2015-04-28 |
| 8985069 | Portable engine generator | Hiroaki Kojima, Takuo Kase | 2015-03-24 |
| 8851945 | Outboard engine unit | Yoshihiro Harada, Kunihiko Ishizuka | 2014-10-07 |
| 8210133 | Engine-driven power generator apparatus | Tadafumi Hirose, Hitoshi Yuki, Takayuki Aoki, Ryosuke Shibata, Hiroki Iikura +1 more | 2012-07-03 |
| 8178985 | Engine generator | Tadafumi Hirose, Junji Hiranuma, Masanori Shin, Hitoshi Yuki | 2012-05-15 |
| 7960029 | Optical filter for display, and display and plasma display panel provided with the optical filter | Toshio Nagai, Yuji Suzuki | 2011-06-14 |
| 4986290 | Cleaning device for contact lens | Tomio Oguma | 1991-01-22 |