HK

Hideo Kasahara

AC Asahi Kasei Kogyo Co.: 7 patents #56 of 1,395Top 5%
AS Asahi-Dow: 5 patents #13 of 93Top 15%
PA Panasonic: 5 patents #5,165 of 21,108Top 25%
Sumitomo Electric Industries: 3 patents #7,735 of 21,551Top 40%
SC Sanyo Electric Co.: 2 patents #2,557 of 6,347Top 45%
Overall (All Time): #218,164 of 4,157,543Top 6%
20
Patents All Time

Issued Patents All Time

Showing 1–20 of 20 patents

Patent #TitleCo-InventorsDate
12021261 Stacked secondary battery Ryosuke Iwata, Ryoichi Wakimoto 2024-06-25
11404699 Electrode for secondary battery and secondary battery using same Yuma Kamiyama, Hiromasa Yagi, Hiroyuki Tajima 2022-08-02
9793555 Membrane electrode assembly with gas diffusion layers having a rib porosity and method of manufacturing the same, as well as fuel cell Masaki Yamauchi, Yoichiro Tsuji, Naotsugu Koashi, Takashi Nakagawa, Yoko Yamamoto 2017-10-17
9472821 Operation method of polymer electrolyte fuel cell system and polymer electrolyte fuel cell system Hiroshi Ishikawa, Takeou Okanishi, Yoichiro Tsuji 2016-10-18
8268494 Fuel cell system Soichi Shibata, Hideo Ohara, Yoshikazu Tanaka 2012-09-18
7422811 Fuel cell life predicting device and fuel cell system Eiichi Yasumoto, Shinichi Arisaka, Osamu Sakai, Shigeyuki Unoki 2008-09-09
7405019 Polymer electrolyte fuel cell Hideo Ohara, Hiroki Kusakabe, Kazuhito Hatoh, Nobuhiro Hase, Shinsuke Takeguchi +5 more 2008-07-29
6984251 Alkaline storage battery and process for producing the same Yasushi Kitazawa, Kenichi Aoki, Gota Asano 2006-01-10
6083428 Flame-retardant resin composition Eiji Ueda, Kazuhiro Matsubara, Tsutomu Katsumata 2000-07-04
5100959 Polyphenylene ether resin composition Ken Okada 1992-03-31
5039714 Rubber-modified polystyrene resin composition Masashi Sakamoto, Hiroaki Ishikawa, Kiyoshi Maeda 1991-08-13
5003021 Process for producing an aromatic vinyl compound-vinyl cyanide compound copolymer Toshiharu Kawasaki, Noriaki Umeda 1991-03-26
4975486 High-gloss rubber-reinforced polystyrene composition and method for continuous production thereof Akifumi Tohara 1990-12-04
4940753 Polyphenylene ether resin composition Ken Okada 1990-07-10
4543392 Polymeric materials and novel thermoplastic resin compositions Hiroshi Suzuki, Noriaki Umeda 1985-09-24
4444934 Heat resistant thermoplastics resin composition excellent in processing flowability Yukihisa Mizutani, Kunio Fukuda 1984-04-24
4421892 Thermoplastic polymeric material and method for the preparation thereof Kichiya Tazaki, Kunio Fukuda, Hiroshi Suzuki 1983-12-20
4386176 Thermoplastic resin composition having high heat resistance Kunio Fukuda 1983-05-31
4369278 Resin composition for injection molding and method for producing the same Kunio Fukuda, Yukihisa Mizutani 1983-01-18
4339376 Highly heat-resistant thermoplastic resin composition having high oil-resistance Kunio Fukuda, Hiroshi Suzuki 1982-07-13