Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4842945 | Stainless steel coated with thin film of carbon containing specified amount in a state of diamond and having an adjustable black transparent color tone | Satoshi Ito | 1989-06-27 |
| 4839579 | Resistive steering sensor | Tomoki Kubota, Koji Sumiya, Shoji Yokoyama | 1989-06-13 |
| 4813800 | Paper feed apparatus for printer | Kazumi Hasegawa, Hiroshi Ikeda | 1989-03-21 |