Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8648521 | Fluorescent display device having an outer light source and light shielding film | Yoshikazu Shibuya, Yoshiaki Washio | 2014-02-11 |
| 5526448 | Optical waveguide modulator having a reduced D.C. drift | Hirotoshi Nagata, Junichiro Minowa, Manabu Yamada, Junichiro Ichikawa, Jamshid Nayyer +6 more | 1996-06-11 |