Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4869927 | Light diffusive coating, a method of forming the coating and a lamp having the coating | Akira Kawakatsu, Yooji Yuge | 1989-09-26 |
| 4721877 | Light diffusive coating and a lamp having the coating | Akira Kawakatsu, Yooji Yuge | 1988-01-26 |