Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5992154 | Drier for drying internal cooling gas of electric machine | Seiji Kawada, Michio Sasaki, Hiroyuki Kido, Tetsuya Hashimoto | 1999-11-30 |
| 4748363 | Current-collecting brush apparatus | Takashi Watanabe, Masao Ohi, Koji Tanaka, Yoshio Takikawa, Satoshi Oouchi | 1988-05-31 |