Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D922449 | Machinery panels | Kiyoyuki Okuyama, Shogo Otomo, Keiichi Nishihara, Yoshihiro Hayami | 2021-06-15 |
| D855082 | Excavator | Kiyoyuki Okuyama, Masataka Miyoshi, Masamitsu Uemura, Zenzo Uchida, Hisayuki Ishii +1 more | 2019-07-30 |
| D842344 | Excavator | Kiyoyuki Okuyama, Masataka Miyoshi, Masamitsu Uemura, Zenzo Uchida, Hisayuki Ishii +1 more | 2019-03-05 |