YK

Yutaka Koizumi

NS National Institute For Materials Science: 10 patents #24 of 901Top 3%
NM National Research Institute For Metals: 4 patents #16 of 167Top 10%
KT Kabushiki Kaisha Toshiba: 2 patents #9,982 of 21,451Top 50%
IH Ihi: 2 patents #401 of 1,178Top 35%
IC Ishikawajima-Harima Heavy Industries Co.: 2 patents #134 of 611Top 25%
MS Mitsubishi Hitachi Power Systems: 1 patents #495 of 970Top 55%
MI Mitsuibshi Heavy Industries: 1 patents #4 of 121Top 4%
Kawasaki: 1 patents #1,551 of 2,943Top 55%
📍 Ryugasaki, JP: #17 of 114 inventorsTop 15%
Overall (All Time): #297,859 of 4,157,543Top 8%
16
Patents All Time

Issued Patents All Time

Showing 1–16 of 16 patents

Patent #TitleCo-InventorsDate
9816161 Ni-based single crystal superalloy Kyoko Kawagishi, Hiroshi Harada, Tadaharu Yokokawa, Toshiharu Kobayashi, Masao Sakamoto +10 more 2017-11-14
8968643 Ni-based single crystal super alloy Toshiharu Kobayashi, Tadaharu Yokokawa, Hiroshi Harada, Yasuhiro Aoki, Mikiya Arai +1 more 2015-03-03
8926897 Nickel-base superalloy excellent in the oxidation resistance Hiroshi Harada, Kyoko Kawagishi, Toshiharu Kobayashi, Atsushi Sato 2015-01-06
8900512 Ni-based single crystal superalloy Hiroshi Harada, Tadaharu Yokokawa, Toshiharu Kobayashi, Masao Sakamoto, Kyoko Kawagishi +8 more 2014-12-02
8852500 Ni-base superalloy, method for producing the same, and turbine blade or turbine vane components Hiroshi Harada, Tadaharu Yokokawa, Toshiharu Kobayashi 2014-10-07
8771440 Ni-based single crystal superalloy Akihiro Sato, Hiroshi Harada, Kyoko Kawagishi, Toshiharu Kobayashi, Tadaharu Yokokawa +4 more 2014-07-08
8696979 Ni-base superalloy and method for producing the same Tadaharu Yokokawa, Hiroshi Harada, Toshiharu Kobayashi 2014-04-15
7473326 Ni-base directionally solidified superalloy and Ni-base single crystal superalloy Toshiharu Kobayashi, Tadaharu Yokokawa, Hiroshi Harada, Yasuhiro Aoki, Shouju Masaki 2009-01-06
6966956 Ni-based single crystal super alloy Toshiharu Kobayashi, Tadaharu Yokokawa, Hiroshi Harada, Yasuhiro Aoki, Mikiya Arai +3 more 2005-11-22
6755921 Nickel-based single crystal alloy and a method of manufacturing the same Toshiharu Kobayashi, Shizuo Nakazawa, Hiroshi Harada, Toshihiro Yamagata 2004-06-29
6692587 Cr-base heat resisting alloy Yoshikazu Ro, Hiroshi Harada, Toshiharu Kobayashi, Eisuke Bannai 2004-02-17
6673308 Nickel-base single-crystal superalloys, method of manufacturing same and gas turbine high temperature parts made thereof Takehisa HINO, Toshiharu Kobayashi, Shizuo Nakazawa, Hiroshi Harada, Yutaka Ishiwata +1 more 2004-01-06
6494971 Iridium-containing nickel-base superalloy Toshiharu Kobayashi, Hideyuki Murakami, Yoshikazu Ro, Yoko Yamabe, Shizuo Nakazawa +2 more 2002-12-17
6224695 Ni-base directionally solidified alloy casting manufacturing method Toshiharu Kobayashi, Hiroshi Harada, Toshihiro Yamagata, Akira Tamura, Seiya Nitta 2001-05-01
6159314 Nickel-base single-crystal superalloys, method for manufacturing the same, and gas turbine parts prepared therefrom Toshiharu Kobayashi, Shizuo Nakazawa, Hiroshi Harada, Tosihiro Yamagata, Takehisa HINO +1 more 2000-12-12
6071470 Refractory superalloys Yoko Yamabe, Yoshikazu Ro, Tomohiro Maruko, Shizuo Nakazawa, Hideyuki Murakami +1 more 2000-06-06