Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11764532 | Metal graphite grounding brush mainly composed of silver and method for producing same | Mitsuo Ikeda, Hirotada Kanagawa, Yoshihiro Nishimura | 2023-09-19 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11764532 | Metal graphite grounding brush mainly composed of silver and method for producing same | Mitsuo Ikeda, Hirotada Kanagawa, Yoshihiro Nishimura | 2023-09-19 |