Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6670489 | Process for producing cyclic formal | Rikio Fujiwara, Hiroshi Nakatsui | 2003-12-30 |
| 6529337 | Image blur correction apparatus | Toru Kawai, Ryuji Suzuki, Masanori Ishikawa, Shigeki Sato | 2003-03-04 |
| 5648105 | Apparatus for making a plurality of optical record disc subtrates | Seiki Shimazu, Kenji Yamaga, Yoshimi Sakai, Yuichi NAMIKAWA | 1997-07-15 |
| 5458821 | Method of making a plurality of optical record disc substrates | Seiki Shimazu, Kenji Yamaga, Yoshimi Sakai, Yuichi NAMIKAWA | 1995-10-17 |