Issued Patents 2011
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8080336 | Alkaline dry battery | Hidekatsu Izumi, Kenji Yamamoto, Shinichi Sumiyama, Hirofumi Iwaki | 2011-12-20 |
| 8074293 | Defective product inspection apparatus, probe positioning method and probe moving method | Eiichi Hazaki, Yasuhiro Mitsui, Takashi Furukawa, Hiroshi Yanagita, Osamu Satou +2 more | 2011-12-06 |
| 8017266 | Battery having positive temperature coefficient element | Ichiro Matsuhisa, Yasushi Sumihiro | 2011-09-13 |
| 7910238 | Alkaline battery | Seiji Wada, Yasushi Sumihiro | 2011-03-22 |