Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6698240 | Apparatus for manufacturing glass base material and a method for manufacturing glass base material | Hiroshi Tsumura, Hiroyuki Koide, Yuuji Tobisaka, Kazuhisa Hatayama, Tadakatsu Shimada +1 more | 2004-03-02 |