Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6351114 | High frequency current detecting apparatus | Yuji Nakamichi, Takashi Shirai, Motomu Tadama | 2002-02-26 |
| D410396 | Electric current measuring instrument | Takashi Shirai, Motomu Tadama, Ryohei Adachi | 1999-06-01 |