Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7075740 | Prism and method for producing the same | Hirokazu Takeuchi, Tadashi Seto, Mitsutaka Nakae | 2006-07-11 |
| 6322256 | Optical fiber holding capillary tube | Katsumi Inada, Hirokazu Takeuchi, Masanobu Minami, Tadashi Seto, Yoshimasa Yamaguchi +3 more | 2001-11-27 |