Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4806955 | Ink jet printer of the ink-on-demand type | Haruhiko Koto, Junichi Okada, Hiroshi Ishii | 1989-02-21 |
| 4803317 | Support structure for rockable conductive plate in a seesaw-type switch | Hiroki Sutoh | 1989-02-07 |