Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5621564 | Semiconductor optical modulator | Katsuhiko Goto, Toru Takiguchi | 1997-04-15 |
| 5603898 | Dry-type analytical element for immunoassay | Yoshihiro Ashihara, Yukio Sudo, Isao Nishizono, Toshikage Hiraoka, Tetsuji Tanimoto | 1997-02-18 |