Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6546759 | Glass base material manufacturing apparatus with super imposed back-and-forth burner movement | Yuuji Tobisaka, Tadakatsu Shimada, Hiroshi Machida, Masataka Watanabe, Hideo Hirasawa | 2003-04-15 |