Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9053736 | Method for manufacturing an aluminosilicate glass substrate for hard disks | Haruhiko Doi, Yosuke Uchino | 2015-06-09 |
| 7972398 | Polishing composition for glass substrate | Toshiaki Oi | 2011-07-05 |
| 7147682 | Polishing composition | Yoshiaki Oshima, Toshiya Hagihara | 2006-12-12 |
| 7014534 | Method for manufacturing substrate | Yoshiaki Oshima, Kenichi Suenaga, Toshiya Hagihara | 2006-03-21 |
| 6383991 | Cutting oil composition | Jiro Hashimoto, Toshiya Hagihara | 2002-05-07 |
| 5380784 | Water-based resin dispersion and resin composition for coating | Kazuhiko Usuki, Akio Tokuyama, Koichi Saito, Manabu Yoshioka | 1995-01-10 |