Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5674624 | Highly light-transmitting dust protective film, and dust protective member | Tetsuya Miyazaki, Mayumi Kawasaki | 1997-10-07 |
| 5667726 | Highly light-transmitting dust protective film, process for preparation thereof and dust protective member | Tetsuya Miyazaki, Mayumi Kawasaki | 1997-09-16 |