Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7328065 | Electric stimulator and defibrillator | Jun Watanabe, Tsutomu Wakabayashi, Naoto Akiyama | 2008-02-05 |
| 6947793 | Electrotherapy apparatus and its electric energy delivering method | Naoto Akiyama, Ikuhiro Tsumura | 2005-09-20 |
| 6836161 | Semiconductor switch driving circuit | Naoto Akiyama, Ikuhiro Tsumura | 2004-12-28 |
| 6628492 | Disarm circuit using semiconductor switch device | Naoto Akiyama, Ikuhiro Tsumura | 2003-09-30 |