Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8342675 | Newspaper production system and production method for newspaper | Kazuyuki Motojima | 2013-01-01 |
| 4711616 | Control apparatus for a variable displacement pump | Kenji Tsukahara | 1987-12-08 |
| 4699103 | Fuel injection system | Kenji Tsukahara | 1987-10-13 |
| 4634349 | Variable displacement fluid pump | Kenji Tsukahara | 1987-01-06 |