Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6329891 | High frequency relay | Tokatoshi Hayashi, Atsushi Nakahata, Takuji Yamashita, Hidetoshi Takeyama, Koji Sagawa +2 more | 2001-12-11 |
| 4613840 | Relay for high-frequency circuits | Kenji Tsuji, Akinori Hirabayashi | 1986-09-23 |