Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8017537 | Glass article and method of producing the same | Hiromitsu Seto, Akihiro Koyama | 2011-09-13 |
| 7960301 | Glass composition | Haruki Niida, Akihiro Koyama, Satoshi Furusawa | 2011-06-14 |