Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6790129 | Method for polishing angular substrates | Jiro Moriya, Satoshi Okazaki, Hidekazu Ozawa, You Ishii, Shunichiro Kojima | 2004-09-14 |
| 6779362 | Method of making an optical fiber preform where a second elongation is based on a mark on a glass rod | Yoshiaki Shimizu, Takaaki Nagano, Tadakatsu Shimada, Hideo Hirasawa, Kazuhisa Hatayama +5 more | 2004-08-24 |
| 6672112 | OVD apparatus including air-regulating structure | Yuuji Tobisaka, Tadakatsu Shimada, Hiroshi Machida, Hiroshi Tsumura, Hideo Hirasawa | 2004-01-06 |