Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4714804 | Rotary switch having rotary contacts with an amorphous alloy coating | Keiji Yasuda, Yukihisa Oda, Shigemitsu Hamajima, Masami Ishii, Katsumi Nakanishi +1 more | 1987-12-22 |