Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4804281 | Printing apparatus with a type-wheel | Kiyoshi Yamakawa | 1989-02-14 |
| 4714361 | Stepper motor homing method and system | Kiyoshi Yamakawa | 1987-12-22 |
| 4701687 | Controller for energization of a stepper motor | — | 1987-10-20 |