Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6178778 | Method of stretching an optical fiber preform with monitoring the diameter at two locations | Hideo Hirasawa, Tadakatsu Shimada, Akihiko Suzuki, Waichi Yamamura, Yoshiaki Shimizu | 2001-01-30 |