Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9640335 | Electrode and electricity storage device | Takafumi Tsukagoshi, Yu Ohtsuka, Nobuhiko Hojo, Hiroki Fukumoto | 2017-05-02 |
| 8945769 | Accumulator material and accumulator device | Nobuhiko Hojo, Yu Ohtsuka, Takahisa Shimizu, Takayuki Sasaki, Tomoaki Yanagida | 2015-02-03 |
| 8481674 | Polymer, semiconductor film, electrode, electrode active material, electrochemical element and electricity storage device | Hiroki Fukumoto, Takahisa Shimizu, Tomoaki Yanagida, Yu Ohtsuka, Nobuhiko Hojo | 2013-07-09 |
| 7462683 | Dihalide, polymer compound and method for producing the same | Hiroki Fukumoto, Takahiro Asao | 2008-12-09 |
| 7138484 | Method for producing polymerized hydrocarbon | Naoyuki Kitamura, Hiroki Fukumoto | 2006-11-21 |
| 6930166 | Polymeric compound | — | 2005-08-16 |
| 6197923 | Polymers, method of producing the same and use of the same | — | 2001-03-06 |
| 5585454 | Poly(quinone) and preparation and use of same | — | 1996-12-17 |
| 5561206 | Electrochromic copolymers including vinyl alcohol or vinyl acetate units | Masaki Wakabayashi | 1996-10-01 |
| 5548048 | Process for manufacturing alkyl-substituted poly (2,2'-diyl) bipyridine-5,5'-diyl | Tsukasa Maruyama | 1996-08-20 |
| 5540999 | EL element using polythiophene | Takaki Kanbara, Tetsushi Inoue, Kenji Nakaya | 1996-07-30 |
| 5475082 | Use of poly(alkylpyridine-2,5-diyl) | Tsukasa Maruyama | 1995-12-12 |
| 5437804 | Solid polymer electrolyte | — | 1995-08-01 |
| 5436316 | Poly(alkylpyridine-2,5-diyl) and preparation thereof | Tsukasa Maruyama | 1995-07-25 |
| 5424381 | Alkyl-substituted poly(2,2'-bipyridine-5,5'-diyl) and use thereof | Tsukasa Maruyama | 1995-06-13 |
| 5367038 | Polyisoquinolinediyls and uses thereof | Takaki Kanbara | 1994-11-22 |
| 5310829 | Quaternary poly(iso) quinolinediyl and preparation thereof | Takaki Kanbara | 1994-05-10 |
| 5273841 | Sulfuric acid concentration sensor and lead acid battery equipped with sulfuric acid concentration sensor | Shigeru Sano | 1993-12-28 |
| 5244992 | Poly(iso)quinolinediyls and preparation and use thereof | Takaki Kanbara | 1993-09-14 |
| 4610811 | Iodine-containing conductive resin composition | Sadaaki Yamamoto, Sadao Kobayashi, Hiroshi Sukawa | 1986-09-09 |
| 4521589 | Linear poly(3-alkyl-2,5-thienylene) polymer | Akio Yamamoto, Kenichi Sanechika | 1985-06-04 |