KS

Kei Sakai

HH Hitachi High-Technologies: 22 patents #237 of 1,917Top 15%
Mitsubishi Electric: 4 patents #7,099 of 25,717Top 30%
Nissan Motor Co.: 2 patents #3,090 of 8,689Top 40%
Overall (All Time): #133,422 of 4,157,543Top 4%
28
Patents All Time

Issued Patents All Time

Showing 1–25 of 28 patents

Patent #TitleCo-InventorsDate
12354829 Overlay measurement system and overlay measurement device for overlay error measurement using electron microscopy Masaki SUGIE 2025-07-08
12347074 Pattern measurement system, pattern measurement method, and program for measuring edge roughness at the edge of a pattern based on a random noise component Toshimasa Kameda, Junichi Kakuta 2025-07-01
12198327 Measurement system, method for generating learning model to be used when performing image measurement of semiconductor including predetermined structure, and recording medium for storing program for causing computer to execute processing for generating learning model to be used when performing image measurement of semiconductor including predetermined structure Ryou YUMIBA, Satoru Yamaguchi 2025-01-14
11791130 Electron beam observation device, electron beam observation system, and image correcting method and method for calculating correction factor for image correction in electron beam observation device Koichi Hamada, Megumi Kimura, Momoyo Enyama, Ryou YUMIBA, Makoto Sakakibara +4 more 2023-10-17
11670481 Charged particle beam device Motonobu Hommi, Satoru Yamaguchi, Hiroshi Nishihama 2023-06-06
11626266 Charged particle beam device Keiichiro Hitomi, Kenji Tanimoto, Yusuke Abe, Takuma Yamamoto, Satoru Yamaguchi +2 more 2023-04-11
11177112 Pattern measurement device and non-transitory computer readable medium having stored therein program for executing measurement Satoru Yamaguchi, Makoto Suzuki, Ryota Watanabe 2021-11-16
11170969 Electron beam observation device, electron beam observation system, and control method of electron beam observation device Koichi Hamada, Megumi Kimura, Momoyo Enyama, Ryou YUMIBA, Makoto Sakakibara +2 more 2021-11-09
11011346 Electron beam device and image processing method Koichi Hamada, Satoru Yamaguchi 2021-05-18
10984980 Charged particle beam device for imaging vias inside trenches Satoru Yamaguchi, Hideki ITAI, Yasunori Takasugi, Kumiko Shimizu 2021-04-20
10976536 Image-forming device, and dimension measurement device Yasunori Takasugi, Satoru Yamaguchi, Kazuyuki Hirao 2021-04-13
10665420 Charged particle beam apparatus Yasunori Takasugi, Satoru Yamaguchi, Hideki ITAI, Yoshinori Momonoi, Toshimasa Kameda +1 more 2020-05-26
10620421 Image-forming device, and dimension measurement device Yasunori Takasugi, Satoru Yamaguchi, Kazuyuki Hirao 2020-04-14
10545017 Overlay error measuring device and computer program for causing computer to measure pattern Satoru Yamaguchi, Osamu Inoue, Kazuyuki Hirao, Osamu Komuro 2020-01-28
10417756 Pattern measurement apparatus and defect inspection apparatus Satoru Yamaguchi, Kazuyuki Hirao, Yasunori Takasugi 2019-09-17
10197783 Image-forming device, and dimension measurement device Yasunori Takasugi, Satoru Yamaguchi, Kazuyuki Hirao 2019-02-05
9831062 Method for pattern measurement, method for setting device parameters of charged particle radiation device, and charged particle radiation device Makoto Suzuki, Satoru Yamaguchi, Miki Isawa, Satoshi Takada, Kazuhisa Hasumi +1 more 2017-11-28
9799903 Electrocatalyst for solid polymer fuel cell Hiroshi Iden, Atsushi Ohma, Kazuyuki Satou, Yoshitaka Ono, Hiroyuki Tanaka +1 more 2017-10-24
9589343 Pattern measurement device, evaluation method of polymer compounds used in self-assembly lithography, and computer program Miki Isawa, Norio Hasegawa 2017-03-07
9336587 Semiconductor circuit pattern measuring apparatus and method Takuma Shibahara, Michio Oikawa, Satoru Yamaguchi 2016-05-10
9129775 Specimen potential measuring method, and charged particle beam device Tatsuaki Ishijima, Osamu Nasu, Muneyuki Fukuda, Takeyoshi Ohashi, Hiromasa Yamanashi +1 more 2015-09-08
9029045 Gas diffusion electrode and production method for same; membrane electrode assembly and production method for same Kazuyuki Satou, Atsushi Ohma, Yoshitaka Ono, Hiroshi Iden 2015-05-12
9024272 Pattern measuring apparatus Yafeng Zhang, Norio Hasegawa 2015-05-05
8478078 Pattern-searching condition determining method, and pattern-searching condition setting device Fumihiro Sasajima 2013-07-02
7747378 Method and device for integrative control of gas engine Masataka Shiraishi, Yoshitaka Kakuhama, Yosuke Kitamura 2010-06-29