Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5513285 | Compact optical switching module including thin-film heaters and trimmed thick-film fixed resistors | Toshiyuki Kawashima, Jiro Utsunomiya, Kiyoshi Kurosawa, Iida Saburo, Ryo Nagase +4 more | 1996-04-30 |