Issued Patents All Time
Showing 76–88 of 88 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5139913 | Photosensor having a monomolecular membranes of squarylium pigment | Suk Kim, Makoto Furuki | 1992-08-18 |
| 5106997 | Squarylium derivatives and preparation thereof | — | 1992-04-21 |
| 5055615 | Novel Squarium compounds, a process for preparing them and electrophotographic photoreceptors containing them | Seki Kin, Hiroyuki Tanaka, Satoshi Saeki, Kaoru Torikoshi | 1991-10-08 |
| 5030009 | Optical gas sensor | Itsuro Ando, Makoto Furuki | 1991-07-09 |
| 4986935 | Wavelength converting device | Kentaro Ageishi | 1991-01-22 |
| 4908289 | Photoreceptor for electrophotography | Hiroyuki Tanaka, Seki Kin | 1990-03-13 |
| 4752650 | Photoreceptor for electrophotography | Hiroyuki Tanaka, Seki Kin | 1988-06-21 |
| 4707427 | Squarylium compound in an electrophotographic element | Hiroyuki Tanaka, Seki Kin | 1987-11-17 |
| 4700001 | Novel squarylium compound and photoreceptor containing same | Hiroyuki Tanaka, Seki Kin | 1987-10-13 |
| 4626485 | Substituted squarium compounds, process for preparing the same and electrophotographic photoreceptors containing the same | Seki Kin, Hiroyuki Tanaka, Satoshi Saeki, Kaoru Torikoshi | 1986-12-02 |
| 4264694 | Photosensitive medium for electrophotography having a cyanine photoconductive pigment | Hitoshi Kamoda | 1981-04-28 |
| 4218529 | Electrophotographic photosensitive material having a quinocyanine pigment photoconductor | Hitoshi Kamoda | 1980-08-19 |
| 4209579 | Electrophotographic photosensitive material with a quinocyanine pigment | Hitoshi Kamoda | 1980-06-24 |