AG

Akira Gunji

HI Hitachi: 19 patents #1,906 of 28,497Top 7%
PR Proterial: 4 patents #28 of 267Top 15%
Overall (All Time): #180,477 of 4,157,543Top 5%
23
Patents All Time

Issued Patents All Time

Showing 1–23 of 23 patents

Patent #TitleCo-InventorsDate
11949100 Cathode active material used for lithium ion secondary battery and lithium ion secondary battery Tatsuya TOYAMA, Shin Takahashi, Hisato Tokoro, Genei Nakajima, Shuichi TAKANO +1 more 2024-04-02
11764356 Method for producing positive electrode active material for lithium ion secondary batteries Hisato Tokoro, Takashi Nakabayashi, Shuichi TAKANO, Tatsuya TOOYAMA, Shin Takahashi 2023-09-19
11688847 Method and firing apparatus for manufacturing cathode active material for lithium ion secondary battery Tatsuya TOYAMA, Akio Takeuchi, Hisato Tokoro, Shuichi TAKANO, Genei Nakajima 2023-06-27
11677075 Cathode active material for lithium ion secondary battery, method for manufacturing cathode active material for lithium ion secondary battery, and lithium ion secondary Shuichi TAKANO, Hisato Tokoro, Genei Nakajima, Tatsuya TOYAMA, Shin Takahashi 2023-06-13
11646412 Cathode active material used for lithium ion secondary battery and lithium ion secondary battery Tatsuya TOYAMA, Shin Takahashi, Hisato Tokoro, Genei Nakajima, Shuichi TAKANO +1 more 2023-05-09
11581534 Positive-electrode material for lithium ion secondary battery, method for producing the same, and lithium ion secondary battery Hisato Tokoro, Shin Takahashi, Tatsuya TOYAMA, Hiroshi Haruna, Daiko TAKAMATSU +2 more 2023-02-14
11011751 Positive electrode active material for lithium ion secondary battery, manufacturing method thereof, and lithium ion secondary battery Tatsuya TOYAMA, Shin Takahashi, Takashi Nakabayashi, Shuichi TAKANO, Xiaoliang FENG +2 more 2021-05-18
10749175 Positive-electrode material for lithium ion secondary battery, method for producing the same, and lithium ion secondary battery Hisato Tokoro, Shin Takahashi, Tatsuya TOYAMA, Hiroshi Haruna, Daiko TAKAMATSU +2 more 2020-08-18
10749176 Cathode active material used for lithium ion secondary battery, method for producing same, and lithium ion secondary battery Xiaoliang FENG, Hisato Tokoro, Takashi Nakabayashi, Shuichi TAKANO, Tatsuya TOOYAMA 2020-08-18
10727484 Cathode active substance used for lithium ion secondary battery, cathode including same, and lithium ion secondary battery provided with cathode Hisato Tokoro, Takashi Nakabayashi, Shuichi TAKANO, Shin Takahashi, Tatsuya TOYAMA 2020-07-28
10461328 Cathode active material used for lithium ion secondary battery and lithium ion secondary battery using same Tatsuya TOYAMA, Hisato Tokoro, Shin Takahashi, Shuichi TAKANO, Takashi Nakabayashi 2019-10-29
10388944 Positive electrode active material for lithium ion secondary battery, and positive electrode for lithium ion secondary battery and lithium ion secondary battery comprising the same Tatsuya TOYAMA, Shin Takahashi, Xiaoliang FENG, Hisato Tokoro, Takashi Nakabayashi +2 more 2019-08-20
10256466 Positive-electrode material for lithium ion secondary battery, method and producing the same, and lithium ion secondary battery Hisato Tokoro, Shin Takahashi, Tatsuya TOYAMA, Hiroshi Haruna, Daiko TAKAMATSU +2 more 2019-04-09
10193150 Lithium ion secondary battery cathode material, lithium ion secondary battery cathode and lithium ion secondary battery that use same, and method for manufacturing lithium ion secondary battery cathode material Xiaoliang FENG, Shuichi TAKANO, Takashi Nakabayashi 2019-01-29
9023522 Cathode for lithium-ion secondary battery, lithium-ion secondary battery, vehicle and power storage system equipped with the battery Shin Takahashi, Takashi Naito, Tadashi Fujieda 2015-05-05
8828584 Lithium-ion rechargeable battery module, vehicle with the battery module and generating system with the battery module Shin Takahashi, Hiroshi Iwasawa, Shin Yamauchi, Takefumi Okumura 2014-09-09
8445154 Header for supplying gas in fuel cell and fuel cell power system Tadashi Yoshida, Hiromi Tokoi, Kazuo Takahashi, Shin Takahashi, Akihiko Noie +1 more 2013-05-21
8377600 Fuel cell power generation system and method of operating thereof Shin Takahashi, Hiromi Tokoi, Toshiya Abe, Takeshi Saito 2013-02-19
8206867 Fuel cell Hiromi Tokoi, Nariyoshi Kobayashi, Kazuo Takahashi, Tadashi Yoshida, Akihiko Noie +1 more 2012-06-26
8173317 Fuel cells power generation system Hiromi Tokoi, Shin Takahashi 2012-05-08
8114546 Fuel cell power generation system and method of operating thereof Shin Takahashi, Hiromi Tokoi, Toshiya Abe, Takeshi Saito 2012-02-14
7972742 Tube type fuel cell to decrease current path length Hiromi Tokoi, Shin Takahashi, Nariyoshi Kobayashi 2011-07-05
7927751 Fuel cell power system Hiromi Tokoi, Shin Takahashi 2011-04-19