Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5677971 | Optical wavelength filter with reduced sidelobes and simple design | Masao Kobayashi | 1997-10-14 |
| 5636045 | Photonic switching method and photonic switch utilizing same | Masato Kawahara, Saeko Oshiba, Yoshio Kawai | 1997-06-03 |