Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4875390 | Shift control device for hydrostatic continuously variable transmission | Tsutomu Hayashi, Masaie Katoh, Nobuyuki Yakigaya, Kazuhiko Nakamura, Yoshihiro Nakajima +2 more | 1989-10-24 |
| 4857864 | Current mirror circuit | Tatsuo Tanaka | 1989-08-15 |
| 4845951 | Static hydraulic continuously variable transmission | Tsutomu Hayashi, Kazuhito Ito, Mitsuru Saito | 1989-07-11 |