KK

Katsuyoshi KAKINUMA

UY University Of Yamanashi: 10 patents #5 of 152Top 4%
MC Mitsui Mining & Smelting Co.: 2 patents #281 of 838Top 35%
DL Denka Company Limited: 1 patents #223 of 434Top 55%
Honda Motor Co.: 1 patents #12,035 of 21,052Top 60%
📍 Kofu, JP: #34 of 209 inventorsTop 20%
Overall (All Time): #394,723 of 4,157,543Top 10%
12
Patents All Time

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
12244022 Supported metal catalyst and electrochemical cell Makoto Uchida, Akihiro Iiyama, Isao Amemiya, Chisato Arata, Sumitaka Watanabe 2025-03-04
11990627 Carrier metal catalyst, manufacturing method thereof, and fuel cell Makoto Uchida, Akihiro Iiyama 2024-05-21
11752490 Supported metal catalyst and method for producing same Chisato Arata, Hajime Kashima, Makoto Uchida, Akihiro Iiyama 2023-09-12
11594737 Membrane electrode assembly with a catalyst layer including an inorganic oxide catalyst carrier and a highly hydrophobic substance and solid polymer fuel cell using the assembly Koji Taniguchi, Masahiro Watanabe, Makoto Uchida 2023-02-28
11563219 Carrier powder, method for producing same, carrier metal catalyst, and method for producing same Makoto Uchida, Akihiro Iiyama 2023-01-24
11502309 Carrier metal catalyst, manufacturing method thereof, and fuel cell Makoto Uchida, Akihiro Iiyama 2022-11-15
11332623 Carbon black, electrode catalyst and fuel cell using same, and method for producing carbon black Makoto Uchida, Daiki IKEDA, Yusaku HARADA, Takeshi Miyakawa 2022-05-17
11108070 Method and apparatus for forming electrode catalyst layer by electrospray method Makoto Uchida 2021-08-31
10490827 Alloy electrode catalyst and fuel cell using the same Makoto Uchida, Akihiro Iiyama 2019-11-26
10355285 Membrane electrode assembly with a catalyst layer including an inorganic oxide catalyst carrier and a highly hydrophobic substance and solid polymer fuel cell using the assembly Koji Taniguchi, Masahiro Watanabe, Makoto Uchida 2019-07-16
10333152 Fuel cell system and method for its operation Makoto Uchida, Masahiro Watanabe, Akihiro Iiyama 2019-06-25
9989565 Vehicle control apparatus Minoru Nagasawa 2018-06-05