Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7048995 | Polyester resin, molded product made thereof and process for production of polyester resin | Yoshihiro Fujimori, Kiyotoshi Fujioka, Yutaka Yatsugi, Kazuya Nakamichi, Noboru Satou +2 more | 2006-05-23 |
| 6998463 | Polyester resin and process for its production | Yoshihiro Fujimori, Yutaka Yatsugi, Kenichi Matsui | 2006-02-14 |
| 6703474 | Polyester resin, molded product made thereof and process for production of polyester resin | Yoshihiro Fujimori, Kiyotoshi Fujioka, Yutaka Yatsugi, Kazuya Nakamichi, Noboru Satou | 2004-03-09 |
| 6667383 | Polyester resin and process for its production | Yoshihiro Fujimori, Yutaka Yatsugi, Kenichi Matsui | 2003-12-23 |
| 6610453 | Toner for the development of electrostatic image and process for the preparation thereof | Hideko Akai, Noriaki Takahashi, Usei Jo, Tomohiro Yamazaki, Kazunori Maruyama +1 more | 2003-08-26 |
| 6506532 | Toner for the development of electrostatic image and process for the preparation thereof | Hideko Akai, Noriaki Takahashi, Yuqing Xu, Tomohiro Yamazaki, Kazunori Maruyama +1 more | 2003-01-14 |
| 6500915 | Polyester resin and its production process | Yoshihiro Fujimori, Shuuji Anno | 2002-12-31 |
| 5519106 | Process for the preparation of aromatic polycarbonate resins | Takao Tayama, Takeshi Kashiwagi, Masatoshi Kimura, Hidekazu SHOJI | 1996-05-21 |
| 5455324 | Aromatic polycarbonate resin of improved color | Takao Tayama, Takeshi Kashiwagi, Masatoshi Kimura, Hidekazu SHOJI | 1995-10-03 |
| 5030705 | Copolymerized polyester from phenylene di(oxyaceteic acid) and isophthalic acid | Takuji Hirahara, Katsuji Tanaka | 1991-07-09 |
| 4959421 | Copolymerized polyester having excellent transparency and gas barrier properties | Takuji Hirahara, Katsuji Tanaka | 1990-09-25 |
| 4956256 | Photosensitive member for electrophotography | Shigenori Ohtsuka, Hiroshi Urabe, Mamoru Nozomi, Setsuko Sasakawa | 1990-09-11 |
| 4775739 | Process for producing polycarbonate resin with tertiary alryl phenol molecular weight modifier | Masayoshi Hasuo, Hiroshi Urabe | 1988-10-04 |
| 4734488 | Polycarbonate and optical disc substrate | Masayoshi Hasuo, Seiichi Mukai, Hiroshi Urabe, Seiji Yoshida | 1988-03-29 |
| 4680374 | Optical disc substrate made of a copolycarbonate | Masayoshi Hasuo, Seiichi Mukai, Hiroshi Urabe, Seiji Yoshida | 1987-07-14 |