Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |