Issued Patents All Time
Showing 26–42 of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6770227 | Carbon material | Hiroto Kobayashi | 2004-08-03 |
| 6767664 | Proton conducting polymer, method for producing the same, solid polymer electrolyte and electrode | Masao Ichikawa, Masaru Iguchi, Hiroyuki Oyanagi | 2004-07-27 |
| 6721526 | Image forming apparatus with improved developing device | Kunio Shigeta, Takenobu Kimura, Yotaro Sato | 2004-04-13 |
| 6577843 | Image forming apparatus | Takahiro Tsuchiya, Kyoichi Mizuno, Kunihiro Kawachi | 2003-06-10 |
| 6523699 | Sulfonic acid group-containing polyvinyl alcohol, solid polymer electrolyte, composite polymer membrane, method for producing the same and electrode | Masao Ichikawa, Masaru Iguchi, Hiroyuki Oyanagi | 2003-02-25 |
| 6478987 | Proton conducting polymer, method for producing the same, solid polymer electrolyte and electrode | Masao Ichikawa, Masaru Iguchi, Hiroyuki Oyanagi | 2002-11-12 |
| 6465120 | Composite polymer membrane, method for producing the same and solid polymer electrolyte membrane | Masao Ichikawa, Masaru Iguchi, Hiroyuki Oyanagi | 2002-10-15 |
| 6303053 | Method for producing meta type polyaniline | Masao Ichikawa, Masaru Iguchi, Hiroyuki Oyanagi | 2001-10-16 |
| 6124060 | Solid polymer electrolytes | Masao Ichikawa, Katsutoshi Nosaki, Hiroyuki Oyanagi, Masaru Iguchi | 2000-09-26 |
| 5969091 | Aromatic heterocyclic copolymers, molecular composite materials and their production | Hiroto Kobayashi | 1999-10-19 |
| 5571874 | Method of producing molecular composite material including rigid aromatic polymer | Tatsuya Hattori, Kazuhiro Kagawa, Hiroto Kobayashi | 1996-11-05 |
| 5449739 | Method of producing shaped article of aromatic heterocyclic copolymer | Hiroto Kobayashi | 1995-09-12 |
| 5431596 | Grinding wheel and a method for manufacturing the same | Kazuo Akita | 1995-07-11 |
| 5350831 | Method of producing aromatic heterocyclic copolymer and molecular composite material containing same | Tatsuya Hattori, Kazuhiro Kagawa, Hiroto Kobayashi | 1994-09-27 |
| 5248759 | Method of producing aromatic heterocyclic copolymer and molecular composite material containing same | Tatsuya Hattori, Kazuhiro Kagawa, Hiroto Kobayashi | 1993-09-28 |
| 5218081 | Method of producing aromatic polythiazole | Tatsuya Hattori, Yoshio Imai, Masaaki Kakimoto | 1993-06-08 |
| 5192480 | Method of producing molecular composite material including aromatic polythiazole | Tatsuya Hattori | 1993-03-09 |