Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1080645 | Display screen with graphical user interface | Keisuke AKATSUKA, Kouichi Sumigama | 2025-06-24 |
| D1042269 | Steering wheel with a display for an industrial vehicle | — | 2024-09-17 |
| D1037118 | Wheel for forklift truck | — | 2024-07-30 |
| 11667317 | Steering device and industrial vehicle | — | 2023-06-06 |
| D982481 | Tow tractor | Hiroki Mori | 2023-04-04 |
| D892843 | Display screen with graphical user interface | — | 2020-08-11 |
| D837689 | Tow tractor | — | 2019-01-08 |
| D725806 | Vehicle lamp | — | 2015-03-31 |
| D722214 | Forklift truck | Kouichi Sumigama, Yoshitaka Sato | 2015-02-03 |
| D613474 | Forklift truck | — | 2010-04-06 |
| D613024 | Forklift truck | — | 2010-03-30 |
| D596370 | Forklift truck | — | 2009-07-14 |
| D595473 | Forklift truck | — | 2009-06-30 |
| D528469 | Automobile and toy replica thereof | Daisuke Iguchi, Atsushi Hirose, Naoyuki Nakamura, Yuji Fujiwara, Takashi Hagino +1 more | 2006-09-19 |
| D527319 | Front bumper for an automobile | — | 2006-08-29 |
| D490032 | Bumper for an automobile | Hirokazu Ikuma | 2004-05-18 |
| D489293 | Automobile | Hirokazu Ikuma, Naoyuki Nakamura, Koichi Sumigama | 2004-05-04 |