Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6339954 | Method of analyzing concentration of target substance using quartz oscillator and device therefor | Ryuichi Naganawa, Kazutoshi Noda, Hiroaki Tao | 2002-01-22 |
| 5159478 | Transmission liquid crystal display apparatus | Masahiko Akiyama, Kouji Suzuki | 1992-10-27 |
| 4957370 | Method and apparatus for determining the degree of oxidation of an oxide coating | Leo Mori, Junetsu Akiyama | 1990-09-18 |
| 4929061 | Color liquid crystal display device | Naoyuki Kokado, Katsuhiro Gonpei, Hisami Nira, Akira Taya | 1990-05-29 |
| 4538216 | Lighting apparatus | Leo Mori, Takashi Aoba | 1985-08-27 |
| 4502755 | Rear projection screen | Leo Mori, Takashi Aoba | 1985-03-05 |
| 4443814 | Rear projection apparatus | Leo Mori, Takashi Aoba | 1984-04-17 |
| 4431266 | Optical refractor for diffusing light | Leo Mori, Takashi Aoba | 1984-02-14 |