HY

Hiroo Yoshikawa

TO Toyota: 19 patents #1,244 of 26,838Top 5%
HI Hitachi: 4 patents #8,942 of 28,497Top 35%
SL Sumitomo Riko Company Limited: 3 patents #90 of 446Top 25%
CA Cataler: 1 patents #176 of 277Top 65%
HE Hitachi-Ge Nuclear Energy: 1 patents #139 of 313Top 45%
NS Nippon Soken: 1 patents #783 of 1,540Top 55%
Overall (All Time): #158,646 of 4,157,543Top 4%
25
Patents All Time

Issued Patents All Time

Showing 1–25 of 25 patents

Patent #TitleCo-InventorsDate
12283386 Chemical decontamination method and chemical decontamination apparatus Takashi Oohira, Satoshi Oouchi, Motohiro Aizawa, Nobuyuki Ota, Hideyuki Hosokawa +3 more 2025-04-22
10950869 Fuel cell electrode catalyst and method for producing the same Yousuke Horiuchi, Tomoaki Terada, Akihiro Hori, Nobuaki Mizutani, Yusuke Itoh 2021-03-16
10629924 Water-repellent layer and fuel cell Junji Nakanishi, Kenji Tsubosaka, Takeaki Saito 2020-04-21
10547058 Method of manufacturing membrane electrode assembly, and membrane electrode assembly Kenji Tsubosaka, Tsunemasa Nishida, Nobuaki Mizutani, Takeaki Saitou, Junji Nakanishi +1 more 2020-01-28
10333153 Fuel cell catalyst layer, and fuel cell Keiichi Kaneko, Toru Morita, Junji Nakanishi 2019-06-25
10297837 Method of manufacturing electrode catalyst layer for fuel cell, and electrode catalyst layer for fuel cell Tsunemasa Nishida, Noriyuki Suzuki, Masato Hamano 2019-05-21
9991538 Method of manufacturing membrane electrode assembly Kenji Tsubosaka, Tsunemasa Nishida, Nobuaki Mizutani, Takeaki Saitou, Junji Nakanishi +1 more 2018-06-05
9761898 Membrane electrode assembly, fuel cell using the same and manufacturing method of membrane electrode assembly Kenji Tsubosaka, Junji Nakanishi 2017-09-12
9673467 Membrane electrode assembly and fuel cell Masato Hamano, Tsunemasa Nishida 2017-06-06
9634346 Membrane electrode assembly and fuel cell battery Tsunemasa Nishida, Junji Nakanishi 2017-04-25
9437883 Manufacturing method of fuel cell module and manufacturing method of fuel cell Hideaki Tanahashi, Shinichi Haga, Hideya Kadono, Yutaka Ishioka, Kenji Sato +1 more 2016-09-06
9362573 Fuel cell Rira Hirasawa, Yoshikazu Watanabe, Junji Nakanishi, Shigeki Osuka 2016-06-07
9178242 Manufacturing method of fuel cell module and manufacturing method of fuel cell Hideaki Tanahashi, Shinichi Haga, Hideya Kadono, Yutaka Ishioka, Kenji Sato +1 more 2015-11-03
9023552 Membrane electrode assembly, manufacturing method thereof, and fuel cells Junji Nakanishi, Kenji Tsubosaka 2015-05-05
9017901 Manufacturing method of cell assembly for fuel cell and manufacturing method of fuel cell Hideaki Tanahashi, Shinichi Haga, Hideya Kadono, Yutaka Ishioka, Fumishige Shizuku +1 more 2015-04-28
8877406 Fuel cell, and method of manufacturing a fuel cell Junji Nakanishi, Akito Kawasumi, Tsunemasa Nishida, Kenji Tsubosaka, Takeaki Saito 2014-11-04
8652698 Fuel cell, fuel cell system, and control method of fuel cell system Hisayoshi Ota, Kazuyori Yamada, Masaru Tsunokawa, Manabu Kato 2014-02-18
8227141 Fuel cell, method of manufacturing fuel cell, and unit cell assembly Fumishige Shizuku, Kenji Sato 2012-07-24
8187765 Membrane electrode assembly and polymer electrolyte membrane fuel cell Kensaku Kodama, Fusayoshi Miura, Yu Morimoto, Manabu Kato, Kazutaka KIMURA +2 more 2012-05-29
7838163 Fuel cell Tsunemasa Nishida, Toshiyuki Suzuki, Tsutomu Ochi, Naohiro Takeshita 2010-11-23
7732082 Fuel cell module Tomokazu Hayashi, Iwao Myojin, Tsutomu Ochi, Chisato Kato, Koichiro Kawakami +2 more 2010-06-08
6973154 Method of chemical decontamination and system therefor Makoto Nagase, Naohito Uetake, Kazushige Ishida, Fumito Nakamura, Kazumi Anazawa +1 more 2005-12-06
6921515 Apparatus for chemical decontamination Makoto Nagase, Naohito Uetake, Kazushige Ishida, Fumito Nakamura, Kazumi Anazawa +1 more 2005-07-26
6549603 Method of chemical decontamination Kazushige Ishida, Kazumi Anazawa, Yoshiyuki Takamori, Naohito Uetake, Makoto Nagase +1 more 2003-04-15
6335475 Method of chemical decontamination Makoto Nagase, Naohito Uetake, Kazushige Ishida, Fumito Nakamura, Kazumi Anazawa +1 more 2002-01-01