Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4869605 | Wire-dot printing head with adjustable spring force | Hiroshi Kikuchi, Jiro Tanuma, Hideaki Ishimizu | 1989-09-26 |
| 4857005 | IC card connecting mechanism | Hiroshi Kikuchi, Jiro Tanuma, Hideaki Ishimizu, Takao Uchida | 1989-08-15 |