Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5446724 | Information storage medium with first and second recording regions each having a predetermined recording density | Koichi Tabe | 1995-08-29 |
| 4875839 | Scroll member for use in a positive displacement device, and a method for manufacturing the same | Hirotsugu Sakata, Hiroaki Murasaki, Makoto Hayano, Hitoshi Hattori, Naoya Morozumi +3 more | 1989-10-24 |