Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5671308 | Optical waveguide having diffraction grating area and method of fabricating the same | Akira Inoue, Yasuji Hattori, Katsuya Yamashita, Yutaka Katsuyama | 1997-09-23 |
| 5506674 | Method for identifying an optical fiber using a pattern of reflected light | Akira Inoue, Yasuji Hattori, Katsuya Yamashita, Yutaka Katsuyama | 1996-04-09 |