Issued Patents All Time
Showing 76–81 of 81 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8018747 | PWM rectifier | Yasusuke Iwashita, Tadashi Okita, Masakazu Niwa | 2011-09-13 |
| 7682743 | Battery | Ryosuke Takagi, Naoko Yamakawa | 2010-03-23 |
| 7659031 | Size AA alkaline battery | Kuniyasu Oya, Naoko Yamakawa | 2010-02-09 |
| 7122169 | Positive electrode material and nickel-zinc battery | Osamu Takahashi, Kazuo Honda, Kuniyasu Oya | 2006-10-17 |
| 6908707 | Positive electrode material and nickel-zinc battery | Osamu Takahashi, Kazuo Honda, Kuniyasu Oya | 2005-06-21 |
| 6686091 | Positive electrode material and nickel-zinc battery | Osamu Takahashi, Kazuo Honda, Kuniyasu Oya | 2004-02-03 |