Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6831030 | High transmittance glass sheet and method of manufacturing the same | Akihiro Koyama, Isamu Kuroda, Yasunori Seto | 2004-12-14 |
| 6713418 | Glass article and glass substrate for information recording media using the same | Shoichi Kishimoto, Akihiro Koyama, Hiroyuki Tanaka | 2004-03-30 |