Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7641821 | Process of manufacturing optical waveguide and connection structure of optical devices | Kenichi Yamashita, Kazunori Mune, Amane Mochizuki, Ryuusuke Naitou | 2010-01-05 |
| 4856005 | Wavelength conversion element for a semiconductor laser | Hitoshi Kawaguchi, Yuzo Yoshikuni | 1989-08-08 |