Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5198297 | Magnetostatic-wave chip and device comprising a rare earth iron-based oxide garnet | Toshihiko Ryuo | 1993-03-30 |
| 5161049 | Optical isolator and method for preparing same | Toshiaki Watanabe, Toshihiko Ryuo | 1992-11-03 |
| 4968954 | Epitaxial layer-bearing wafer of rare earth gallium garnet for MSW device | Toshihiko Ryuo, Satoru Fukuda, Tatsuo Mori | 1990-11-06 |