Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6190153 | Oriented film producing facility with thickness and orientation control means | Masanori Motooka, Toshiyuki Fujiwara, Michio Toriumi | 2001-02-20 |
| 5034255 | Optical recording medium and method of its production | Shigeto Shigematsu | 1991-07-23 |
| 4981777 | Process for preparation of optical recording medium | Mitsuyuki Kuroiwa, Hisaharu Toibana | 1991-01-01 |