Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10026526 | High-frequency wire and high-frequency coil | Chihiro Kamidaki, Yasunobu Hori | 2018-07-17 |
| 7182907 | Method for manufacturing a key top member for push button switch structure | Takao Shimizu, Tsutomu Nagasawa, Yoshinari Shizukuda | 2007-02-27 |
| 6621027 | Key top member for push button switch structure | Takao Shimizu, Tsutomu Nagasawa, Yoshinari Shizukuda | 2003-09-16 |
| 6196738 | Key top element, push button switch element and method for manufacturing same | Takao Shimizu, Tsutomu Nagasawa, Yoshinari Shizukuda | 2001-03-06 |