Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5671308 | Optical waveguide having diffraction grating area and method of fabricating the same | Akira Inoue, Yasuji Hattori, Fumio Ohtsuki, Yutaka Katsuyama | 1997-09-23 |
| 5655373 | Gas turbine intake air cooling apparatus | Hiroki Simaya | 1997-08-12 |
| 5598712 | Latent heat accumulation system | Yutaka Watanabe, Takayuki Hachimonji, Sanae Sekita, Tsuyoshi Noma | 1997-02-04 |