Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5692819 | Illuminating device and projector utilizing the same | Hideaki Mitsutake, Kohtaro Yano, Kazumi Kimura, Junko Shingaki | 1997-12-02 |
| 5590942 | Polarizing conversion unit, illuminating device and projector using them | Kazumi Kimura, Hideaki Mitsutake | 1997-01-07 |