Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7897531 | Glass | — | 2011-03-01 |
| 7572746 | Optical glass | Masahiro Onozawa | 2009-08-11 |
| 7088903 | Optical glass having a small photoelastic constant | — | 2006-08-08 |
| 6867157 | Optical glass having an anomalous dispersion | Masahiro Onozawa | 2005-03-15 |
| 6819526 | Holding member for information storage disk and information storage disk drive device | Mariko Kataoka, Naoyuki Goto, Kousuke Nakajima, Katsuhiko Yamaguchi, Toshitaka Yagi | 2004-11-16 |
| 6794043 | Glass-ceramics for a light filter | Naoyuki Goto, Yasuyuki Kawashima | 2004-09-21 |
| 6756334 | Optical glass | Michiko Ogino, Yoshio Mori, Masahiro Onozawa | 2004-06-29 |
| 6582826 | Glass-ceramics | Naoyuki Goto, Yasuyuki Kawashima | 2003-06-24 |
| 6503857 | High rigidity glass-ceramic substrate | Kousuke Nakajima, Katsuhiko Yamaguchi, Naoyuki Goto, Takayuki Kishi | 2003-01-07 |
| 6429160 | High rigidity glass-ceramic substrate | Kousuke Nakajima, Katsuhiko Yamaguchi, Naoyuki Goto, Takayuki Kishi | 2002-08-06 |
| 6420286 | Glass-ceramics | Naoyuki Goto, Yasuyuki Kawashima | 2002-07-16 |
| 6383645 | Glass-ceramic substrate for an information storage medium | Naoyuki Goto, Yasuyuki Kawashima | 2002-05-07 |
| 6344423 | High rigidity glass-ceramic substrate for a magnetic information storage medium | Naoyuki Goto, Kousuke Nakajima | 2002-02-05 |
| 6245411 | High rigidity glass-ceramic substrate for a magnetic information storage medium | Naoyuki Goto, Kousuke Nakajima | 2001-06-12 |
| 6174827 | Glass-ceramic substrate for an information storage medium | Naoyuki Goto, Yasuyuki Kawashima | 2001-01-16 |