Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5648105 | Apparatus for making a plurality of optical record disc subtrates | Kenji Yamaga, Yoshimi Sakai, Atsushi Koyama, Yuichi NAMIKAWA | 1997-07-15 |
SS
Seiki Shimazu
Overall (1997): #79,592 of 185,788Top 45%
1
Patents 1997