Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5331302 | Miniature transfer relay | Takashi Yoshimura, Takayasu Ishizuka, Masayui Shiomi, Tomoyoshi Hayashi, Hisanobu Tanaka | 1994-07-19 |
| 4388757 | Method for manufacturing electric switching block of electromagnetic relay | Hidetoshi Takeyama, Siro Sakamoto, Koji Sagawa, Tokio Tanishi, Takao Morimoto | 1983-06-21 |