Issued Patents All Time
Showing 26–45 of 45 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7163988 | Aromatic sulfonic acid ester derivative, polyarylene, polyarylene having sulfonic acid group and process for producing the same, and polymer solid electrolyte and proton-conductive membrane | Igor Rozhanskii, Masayuki Takahashi, Yousuke Konno, Toshihiro Ohtsuki, Yoshitaka Yamakawa +1 more | 2007-01-16 |
| 7019103 | Polyamic acid oligomer, polyimide oligomer, solution composition, and fiber-reinforced composite material | Rikio Yokota, Hideki Ozawa | 2006-03-28 |
| 7001929 | Proton conductive membrane having improved thermal stability | Mayumi Kakuta, Fusazumi Masaka, Kiyonori Kita, Naoki Mitsuta, Masaru Iguchi +2 more | 2006-02-21 |
| 6933068 | Polymer electrolyte membrane and solid polymer electrolyte fuel cell using same | Yoichi Asano, Masaaki Nanaumi, Nagayuki Kanaoka, Hiroshi Sohma, Nobuhiro Saito +4 more | 2005-08-23 |
| 6833426 | Halogenated aromatic compound, (co)polymer thereof, and proton-conductive membrane comprising same | Yoshitaka Yamakawa, Masayuki Takahashi | 2004-12-21 |
| 6825310 | Halogenated aromatic compound, polymer thereof, and proton-conductive membrane comprising same | Masayuki Takahashi, Yoshitaka Yamakawa, Makoto Higami | 2004-11-30 |
| 6812290 | Polyarylene copolymers and proton-conductive membrane | Yoshitaka Yamakawa, Mayumi Kakuta, Igor Rozhanskii | 2004-11-02 |
| 6794480 | Monomer containing electron-withdrawing group and electron-donative group, and copolymer and proton-conductive membrane comprising same | Masayuki Takahashi, Yoshitaka Yamakawa, Makoto Higami | 2004-09-21 |
| 6685984 | Method for the production of multilayers | Makoto Higami, Yoichi Asano, Ryoichiro Takahashi, Osamu Kakutani, Gen Okiyama | 2004-02-03 |
| 6555626 | Polyarylene copolymers and proton-conductive membrane | Yoshitaka Yamakawa, Mayumi Kakuta, Igor Rozhanskii | 2003-04-29 |
| 6528605 | Diyne-containing (co)polymer, processes for producing the same, and cured film | Toshiyuki Akiike, Matthias Patz, Masayuki Takahashi, Michinori Nishikawa, Takashi Okada +1 more | 2003-03-04 |
| 6406794 | Film-forming composition | Atsushi Shiota, Takahiko Kurosawa, Eiji Hayashi, Makoto Sugiura, Toshiyuki Akiike +3 more | 2002-06-18 |
| 6300465 | Process for producing phenylene-containing polymer and film-forming material | Toshiyuki Akiike, Tadahiro Shiba, Keiji Konno, Igor Rozhanskii | 2001-10-09 |
| 6084053 | Electronic part and process for manufacturing the same | Minoru Matsubara, Yasutake Inoue, Mayumi Kakuta, Igor Rozhanskii | 2000-07-04 |
| 5548045 | Process for producing polybutadiene | Iwakazu Hattori, Shoji Ogasahara, Masahiro Shibata, Yoshiyuki Michino, Kazuo Soga +1 more | 1996-08-20 |
| 5304326 | Thermoplastic elastomer compounds | Motokazu Takeuchi, Takumi Miyachi | 1994-04-19 |
| 5164469 | Transparent resin material | Zen Komiya, Noboru Yamahara, Akira Iio, Masao Hisatomi, Hiroshi Oka | 1992-11-17 |
| 5053471 | Transparent resin material | Zen Komiya, Noboru Yamahara, Akira Iio | 1991-10-01 |
| 4380607 | Rubber composition having high modulus of elasticity and process for preparing same | Hiroharu Ikeda, Yasuyuki Shimozato | 1983-04-19 |
| 4252918 | Brominated rubber | Hiroharu Ikeda, Yasuyuki Shimozato | 1981-02-24 |