Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5660700 | Sputter coating power processing portion | Shujiro Watanabe, Satoru Takaki, Hisashi Osaki, Takuji Oyama, Eiichi Ando | 1997-08-26 |
| 5655034 | Mach-Zehnder type modulator and method of driving the same | Masashige Ishizaka | 1997-08-05 |