Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4832467 | Electrochromic variable color tone nonglaring mirror | Harutoshi Miyagi | 1989-05-23 |
| 4796041 | Film feed unit for use in automatic film developing machine | Mitsuji Kawashima | 1989-01-03 |