RY

Ryoji Yoshikawa

KT Kabushiki Kaisha Toshiba: 5 patents #5,683 of 21,451Top 30%
Kioxia: 3 patents #479 of 1,813Top 30%
Toshiba Memory: 2 patents #853 of 1,971Top 45%
Overall (All Time): #487,951 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
11978195 Inspection method and inspection apparatus Keisuke CHIBA, Masato Naka 2024-05-07
11906440 Inspection device and inspection method 2024-02-20
11664190 Electron beam device and image acquisition method 2023-05-30
10976656 Defect inspection device and defect inspection method 2021-04-13
9894271 Pattern inspection apparatus and pattern inspection method Tatsuhiko Higashiki, Seiji Morita, Takashi Hirano 2018-02-13
9244343 Pattern forming method and mask pattern data Hideaki Sakurai, Shunsuke Ochiai 2016-01-26
8811713 Photomask inspection method, semiconductor device inspection method, and pattern inspection apparatus 2014-08-19
8358340 Pattern inspection device and method of inspecting pattern Tomohide Watanabe, Hiromu Inoue, Hiroyuki Ikeda, Hiroyuki Tanizaki 2013-01-22
7742162 Mask defect inspection data generating method, mask defect inspection method and mask production method Tomohiro Tsutsui, Osamu Ikenaga 2010-06-22
7602961 Reference data generating method, pattern defect checking apparatus, pattern defect checking method, reference data generating program, and semiconductor device manufacturing method Hidehiro Watanabe 2009-10-13