Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12407222 | Rotating machine | Hitoshi Iwata, Michihiro Shimizu, Toshiyuki Nishikata, Tsuyoshi Kano, Shoma YAMANISHI +2 more | 2025-09-02 |
| 12341399 | Motor with a stepped rotating body | Hitoshi Iwata, Shoma YAMANISHI, Toshiyuki Nishikata, Seiji MITAMURA, Michihiro Shimizu +1 more | 2025-06-24 |
| 6437538 | Battery voltage measurement apparatus | Takafumi Tsurumi, Tomohiko Maeda, Kouji Sakai, Kazunori Sato | 2002-08-20 |
| 6255826 | Battery voltage measuring device | Takafumi Tsurumi, Tomohiko Maeda | 2001-07-03 |
| 5834910 | Ac motor controlling apparatus | Takafumi Tsurumi, Hajime Kondou, Yasumichi Ohnuki | 1998-11-10 |
| 4696273 | Ignition timing control method for internal combustion engines | Yutaka Otobe, Yoshio Suzuki, Shigehiro Kimura | 1987-09-29 |