HK

Hideo Kaneko

SC Shin-Etsu Chemical Co.: 67 patents #40 of 2,176Top 2%
Kawasaki: 9 patents #199 of 2,943Top 7%
TC Toppan Printing Co.: 3 patents #268 of 1,467Top 20%
II Inoue-Japax Research Incorporated: 3 patents #5 of 14Top 40%
NS Nippon Steel: 3 patents #914 of 4,423Top 25%
TC Tamagawa Machinery Co.: 2 patents #3 of 4Top 75%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
KS Kawasaki Steel: 1 patents #889 of 1,922Top 50%
FC Fuji Electric Co.: 1 patents #1,354 of 2,643Top 55%
📍 Joetsu, JP: #17 of 239 inventorsTop 8%
Overall (All Time): #21,476 of 4,157,543Top 1%
82
Patents All Time

Issued Patents All Time

Showing 1–25 of 82 patents

Patent #TitleCo-InventorsDate
12265321 Reflective mask blank, and method for manufacturing reflective mask Takuro Kosaka, Taiga OGOSE, Yukio Inazuki 2025-04-01
12181790 Reflective mask blank and reflective mask Shohei Mimura, Tsuneo Terasawa 2024-12-31
11860529 Substrate with multilayer reflection film for EUV mask blank, manufacturing method thereof, and EUV mask blank Yukio Inazuki, Tsuneo Terasawa, Takuro Kosaka, Kazuhiro Nishikawa 2024-01-02
11835851 Substrate with multilayer reflection film for EUV mask blank, manufacturing method thereof, and EUV mask blank Yukio Inazuki, Tsuneo Terasawa, Takuro Kosaka, Kazuhiro Nishikawa 2023-12-05
11774845 Photomask blank, and manufacturing method thereof Kouhei Sasamoto 2023-10-03
11624712 Substrate defect inspection method and substrate defect inspection apparatus Tsuneo Terasawa, Yukio Inazuki 2023-04-11
11415874 Method of manufacturing reflective mask blank, reflective mask blank, and method of manufacturing reflective mask Tsuneo Terasawa, Yukio Inazuki, Takuro Kosaka 2022-08-16
11327393 Photomask blank and method for preparing photomask Takuro Kosaka, Yukio Inazuki 2022-05-10
11073756 Photomask blank, photomask blank making method, and photomask making method Takuro Kosaka, Shigeo Irie, Naoki Kawaura 2021-07-27
10989999 Halftone phase shift mask blank and halftone phase shift mask Yukio Inazuki, Takuro Kosaka, Kouhei Sasamoto 2021-04-27
10859904 Halftone phase shift photomask blank, making method, and halftone phase shift photomask Takuro Kosaka, Yukio Inazuki 2020-12-08
10678125 Photomask blank and method for preparing photomask Takuro Kosaka, Yukio Inazuki 2020-06-09
10670957 Halftone phase shift photomask blank, making method, and halftone phase shift photomask Takuro Kosaka, Yukio Inazuki 2020-06-02
10585345 Photomask blank, method for manufacturing photomask, and mask pattern formation method Shigeo Irie, Takashi Yoshii, Keiichi Masunaga, Yukio Inazuki, Toyohisa Sakurada 2020-03-10
10488750 Mask blank and making method Yukio Inazuki 2019-11-26
10466583 Halftone phase shift mask blank and halftone phase shift mask Yukio Inazuki, Takuro Kosaka, Kouhei Sasamoto 2019-11-05
10459333 Halftone phase shift photomask blank and making method Takuro Kosaka, Yukio Inazuki 2019-10-29
10372030 Halftone phase shift mask blank and halftone phase shift mask Kouhei Sasamoto, Takuro Kosaka, Yukio Inazuki 2019-08-06
10146122 Halftone phase shift photomask blank and making method Takuro Kosaka, Yukio Inazuki 2018-12-04
9812300 Silicon target for sputtering film formation and method for forming silicon-containing thin film Hiroki Yoshikawa, Yukio Inazuki 2017-11-07
9798229 Designing of photomask blank and photomask blank Kouhei Sasamoto, Yukio Inazuki, Souichi Fukaya 2017-10-24
9709885 Photomask blank and method for manufacturing photomask blank Yukio Inazuki, Takashi Yoshii, Toyohisa Sakurada, Akira Ikeda, Satoshi Watanabe +1 more 2017-07-18
9645485 Halftone phase shift photomask blank and making method Takuro Kosaka, Yukio Inazuki, Toyohisa Sakurada 2017-05-09
9541823 Photomask blank Kouhei Sasamoto, Yukio Inazuki, Souichi Fukaya, Hideo Nakagawa 2017-01-10
9488906 Photomask blank and method for manufacturing photomask blank Yukio Inazuki, Takashi Yoshii, Toyohisa Sakurada, Akira Ikeda, Satoshi Watanabe +1 more 2016-11-08