Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D902680 | Scissors | Takeyuki Kamiyama, Natsuki Yamada | 2020-11-24 |
| 9022740 | Wind turbine rotor blade lightning discharger and wind turbine generator equipped with the same | Kentaro Hayashi, Takehiro Naka | 2015-05-05 |
| D722645 | Marking pen | — | 2015-02-17 |