Issued Patents 1997
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5691557 | Semiconductor circuit having input protective circuit | — | 1997-11-25 |
| 5672672 | Polymeric optical mixtures, polymeric optical materials and polymeric optical waveguide | Michiyuki Amano, Mitsuo Usui, Shungo Sugawara, Shoichi Hayashida, Saburo Imamura | 1997-09-30 |
| 5666542 | Multimedia information add-on system | Yoshiyuki Katai, Toshifumi Kogure, Mitsuyoshi Yamazaki | 1997-09-09 |
| 5655187 | Image forming apparatus for preventing discharge products from contacting a photosensitive body | Tomohisa Suzuki, Shigeru Tanaka | 1997-08-05 |
| 5608121 | Process for producing polyhydric alcohol | Teruyuki Ninomiya, Akira Mori, Takaki Ikebe, Atsushi Iwamoto | 1997-03-04 |