Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7654927 | Transmission apparatus | Katsumi Kimura, Toshio Miwa, Michio Takashima, Kazuhiko Sugiyama | 2010-02-02 |
| 7297084 | Transmission apparatus | Katsumi Kimura, Toshio Miwa, Michio Takashima, Kazuhiko Sugiyama | 2007-11-20 |