Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11323796 | Wireless earphone | Takashi Fukahori, Toshinori Komesu | 2022-05-03 |
| 4917538 | Tunnel lining process and apparatus therefor | Shigetoshi Koga, Yoshio Hosokawa, Hideo Sueki, Mikio Okano, Yukihisa Inagawa +1 more | 1990-04-17 |