Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5465806 | Electric vehicle | Hiromasa Higasa, Fumihiko Ishikawa, Hidetoshi Nasu, Kazunobu Sato | 1995-11-14 |
| 5222568 | Electric vehicle | Hiromasa Higasa, Fumihiko Ishikawa, Hidetoshi Nasu, Kazunobu Sato | 1993-06-29 |
| 5162964 | Connection control device for controlling the connection of small generator unit to electric power system | Hiromasa Higasa, Fumihiko Ishikawa, Soichi Yamanaka | 1992-11-10 |
| 5111377 | Interconnection for electric power system | Hiromasa Higasa, Fumihiko Ishikawa, Sueo Sakata, Masayoshi Kumano | 1992-05-05 |
| 5099145 | System disconnection detection circuit for a distributed location power source | Hiromasa Higasa, Fumihiko Ishikawa, Takeshi Takemura, Toshihisa Shimizu | 1992-03-24 |