Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5168388 | Optical waveguide device and optical second harmonic generator using the same | Hitoshi Tamada, Chiharu Isobe | 1992-12-01 |
| 5150447 | Optical waveguide which is formed by liquid phase epitaxial growth | Hitoshi Tamada, Atsuo Yamada, Yukie Taneyama | 1992-09-22 |
| 5022729 | Optical waveguide and second harmonic generator | Hitoshi Tamada | 1991-06-11 |