Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7511089 | Polyphenylene ether oligomer sulfonic acid salt, making method, flame retardant resin composition, and molded article | Akinari Itagaki, Masaki Tanaka, Masaaki Yamaya, Takahiro Adachi, Yasumasa Norisue | 2009-03-31 |
| 6762250 | Polycarbonate resin composition | Kenichi Narita, Masaki Tamura | 2004-07-13 |
| 6727294 | Thermoplastic resin composition containing a naphthalene dicarboxylic acid moiety and an aliphatic diol moiety | Tatsuhiko Hatakeyama, Shinya Miya, Kenichi Narita, Ken Honma | 2004-04-27 |
| 6359028 | Polycarbonate resin composition | Shinya Miya, Ken Shimomai | 2002-03-19 |
| 6040367 | Polycarbonate resin composition | Shinya Miya | 2000-03-21 |
| 5977206 | Polycarbonate resin composition | Shinya Miya, Ken Shimomai | 1999-11-02 |
| 5948838 | Polycarbonate resin composition | Shinya Miya | 1999-09-07 |
| 5569566 | Photoreceptor for electrophotography with low free chlorine content polycarbonate resin in organic photoconductive layer | Noriyoshi Ogawa, Jun Tajima | 1996-10-29 |
| 5427998 | Method for preparing a thermal transfer image-receiving sheet involving a polycarbonate dye-receiving layer | Toshikazu Umemura | 1995-06-27 |
| 5428090 | Polycarbonate polymer derived from dihydroxy compound having triphenylamine structure and process for producing the same | Noriyoshi Ogawa, Toshiaki Takata | 1995-06-27 |
| 5418098 | Electrophotographic photosensitive member, and electrophotographic apparatus, device unit and facsimile machine having the photosensitive member | Shinya Mayama, Teigo Sakakibara, Noriko Ohtani, Katsumi Aoki, Noriyoshi Ogawa | 1995-05-23 |
| 5283142 | Image-holding member, and electrophotographic apparatus, apparatus unit, and facsimile machine employing the same | Shinya Mayama, Naoto Fujimura, Kiyoshi Sakai, Noriko Ohtani, Katsumi Aoki +1 more | 1994-02-01 |
| 5021541 | Polycarbonate resin from bis(hydroxy benzoyl oxy-tetra oxa spiro) cpd. | Mitsuhiko Masumoto, Toshiaki Asoh, Teruo Kawahigashi | 1991-06-04 |
| 4952664 | Process for producing weather-resistant polycarbonate with triazine-imide chain terminator | Mitsuhiko Masumoto | 1990-08-28 |
| 4939231 | Process for producing fatty acid-terminated polycarbonate resin | Mituhiko Masumoto, Toshiaki Takata | 1990-07-03 |