Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7382948 | Optical switch | Takanori Sugiyama, Yoshihiro Mihara, Tsutomu Shimomura, Yuichi Niimura, Sachiko Mugiuda | 2008-06-03 |
| 5544001 | Electrostatic relay | Fumihiro Kasano, Hiromi Nishimura, Jacques Lewiner, Dider Perino | 1996-08-06 |
| 5191306 | Miniature electromagnetic assembly and relay with the miniature electromagnet assembly | Norimasa Kaji, Hiromi Nishimura, Kazuhiko Inoue, Hideki Fukuzono, Yutaka Yamada | 1993-03-02 |
| 4604800 | Sealing construction for a casing | Tadashi Yamamoto, Keizo Yamaguchi | 1986-08-12 |