JI

Junko IMAMURA

NM Nippon Steel & Sumitomo Metal: 6 patents #158 of 1,491Top 15%
NS Nippon Steel: 2 patents #1,308 of 4,423Top 30%
Fujitsu Limited: 1 patents #14,843 of 24,456Top 65%
NS Nippon Steel Stainless Steel: 1 patents #18 of 53Top 35%
Overall (All Time): #496,651 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
11764368 Titanium material, separator, cell, and polymer electrolyte fuel cell stack Hideya Kaminaka, Yoshitaka Nishiyama, Koichi Nose, Haruka SATO 2023-09-19
11326224 Stainless steel sheet and method of manufacturing the same, separator for solid polymer fuel cell, solid polymer fuel cell, and solid polymer fuel cell battery Hideya Kaminaka, Yoshitaka Nishiyama, Koichi Nose, Jun Maki, Kohei Maejima +1 more 2022-05-10
10505205 Titanium product, separator, and proton exchange membrane fuel cell, and method for producing titanium product Yoshitaka Nishiyama, Yasuhiro Masaki, Jun Maki, Shunsuke Taniguchi, Hideya Kaminaka 2019-12-10
10305119 Titanium material or titanium alloy material having surface electrical conductivity and method for producing the same, and fuel cell separator and fuel cell using the same Kazuhiro Takahashi, Taku Kagawa, Masanari Kimoto, Kiyonori Tokuno, Atsuhiko Kuroda 2019-05-28
10230115 Metallic material, and conductive component including the same Yoshitaka Nishiyama, Yasuhiro Masaki, Masanari Kimoto 2019-03-12
10033052 Titanium material or titanium alloy material having surface electrical conductivity, and fuel cell separator and fuel cell using the same Kazuhiro Takahashi, Taku Kagawa, Masanari Kimoto, Kiyonori Tokuno, Atsuhiko Kuroda 2018-07-24
9680162 Stainless steel sheet for a separator for a solid polymer fuel cell and a solid polymer fuel cell employing the separator Hideya Kaminaka, Akira Seki, Kouichi Takeuchi 2017-06-13
9312546 Stainless steel material for a separator of a solid polymer fuel cell and a solid polymer fuel cell using the separator Hideya Kaminaka, Yasuto Higashida 2016-04-12
8603263 Duplex stainless steel having excellent alkali resistance Hideya Kaminaka, Junichi Higuchi, Yoshiaki Yamade, Shuuji Yoshida 2013-12-10
5995343 Magnetic headwith specified tapered pole tip width ratio 1999-11-30