Issued Patents All Time
Showing 26–38 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5922246 | Eyeglass lens and molded material of synthetic resin having transmittance minimum no greater than 25% at 550-585 nm | Shoshiro Matsushita, Kazuko Mabuchi, Yoshihisa Ishiba, Oritoshi Murata | 1999-07-13 |
| 5808166 | Method for producing 3,4-dihydroxy-3-cyclobutene-1,2-dione | Takeshi Usami, Hiroshi Toyoda, Asako Okajima, Shoshiro Matsushita | 1998-09-15 |
| 5756258 | Photopolymerizable composition containing an addition polymerizable compound, a radical-producing agent and a squarylium compound | Tsuguo Yamaoka, Kenichi Koseki, Mitsuharu Obara, Yukiyoshi Ito, Hitoshi Kawato | 1998-05-26 |
| 5681685 | Photopolymerizable composition containing squarylium compound | Tsuguo Yamaoka, Kenichi Koseki, Hiroshi Toyoda, Hirotaka Kinoshita, Shoshiro Matsushita | 1997-10-28 |
| 5660970 | Optical information recording medium using a squarylium compound | Hiroshi Toyoda, Yukiyoshi Ito, Tsutomu Sato | 1997-08-26 |
| 5527659 | Chemical amplification resist composition containing photochemical acid generator, binder and squarylium compound | Tsuguo Yamaoka, Kenichi Koseki, Mitsuharu Obara, Yukiyoshi Ito | 1996-06-18 |
| 5510229 | Optical information recording medium using squarylium compounds | Tsutomu Satoh, Yukiyoshi Ito | 1996-04-23 |
| 5391741 | Squarylium compound and optical information recording medium using the same | Hiroshi Toyoda, Yukiyoshi Ito, Tsutomu Sato | 1995-02-21 |
| 5256794 | Squarylium compounds | Tsutomu Satoh, Yukiyoshi Ito | 1993-10-26 |
| 5149819 | Squarylium compounds and optical information recording medium using the same | Tsutomu Satoh, Yukiyoshi Ito | 1992-09-22 |
| 5085909 | Squarylium compounds and optical information recording medium using the same | Tsutomu Satoh, Yukiyoshi Ito | 1992-02-04 |
| 4535470 | AM stereo decoder for multiple coding systems | Satoshi Yokoya, Norio Numata | 1985-08-13 |
| 4238893 | Signal transmission in teaching system | Michimasa Komatsubara | 1980-12-16 |