Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8080749 | Switch and welding method of same | Hisashi Matsuhashi, Atsuko Hildebrand, Kenji Amimoto | 2011-12-20 |
| 7767920 | Switch and welding method of same | Hisashi Matsuhashi, Atsuko Hildebrand, Kenji Amimoto | 2010-08-03 |