Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5652737 | Magneto-optical disk pick-up device having mode splitter using cut off effect caused by tapered waveguide | Kohji Minami, Hiroyuki Yamamoto, Yoshio Yoshida, Yukio Kurata, Keiji Sakai | 1997-07-29 |
| 5652816 | Optical coupler and method for producing the same | Kohji Minami, Hiroyuki Yamamoto, Yoshio Yoshida, Yukio Kurata | 1997-07-29 |