YT

Yuuji Takagi

Sumitomo Electric Industries: 7 patents #3,987 of 21,551Top 20%
HI Hitachi: 3 patents #10,712 of 28,497Top 40%
HH Hitachi High-Technologies: 3 patents #776 of 1,917Top 45%
Overall (All Time): #385,458 of 4,157,543Top 10%
13
Patents All Time

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDate
8547429 Apparatus and method for monitoring semiconductor device manufacturing process Toshifumi Honda 2013-10-01
7598491 Observing method and its apparatus using electron microscope Munenori Fukunishi, Toshifumi Honda 2009-10-06
6913861 Method of observing exposure condition for exposing semiconductor device and its apparatus and method of manufacturing semiconductor device Chie Shishido, Osamu Komuro, Hidetoshi Morokuma, Ryo Nakagaki, Maki Tanaka 2005-07-05
6792366 Method and apparatus for inspecting defects in a semiconductor wafer Naoki Hosoya, Hisae Shibuya, Kenji Obara 2004-09-14
6792367 Method and apparatus for inspecting defects in a semiconductor wafer Naoki Hosoya, Hisae Shibuya, Kenji Obara 2004-09-14
5134575 Method of producing numerical control data for inspecting assembled printed circuit board 1992-07-28
4986668 Information recording and reproducing apparatus with management of defective sector Yoshihisa Fukushima, Isao Satoh, Makoto Ichinose, Yuzuru Kuroki 1991-01-22
4885735 Information recording and reproducing apparatus with management of defective sector Yoshihisa Fukushima, Isao Satoh, Makoto Ichinose, Yuzuru Kuroki 1989-12-05
4879704 Optical disk, optical disk recording and reproducing apparatus and copy preventive method for optical disks Isao Satoh, Makoto Ichinose, Yoshihisa Fukushima, Yuzuru Kuroki 1989-11-07
4805046 Information recording and reproducing apparatus using sectors divided into a plurality of frames and having means for proper storage of the frame data Yuzuru Kuroki, Isao Satoh, Makoto Ichinose, Yoshihisa Fukushima 1989-02-14
4799208 Optical recording and reproducing apparatus having erasing function with controllable erasing beam Isao Satoh, Makoto Ichinose, Yoshihisa Fukushima, Yuzuru Kuroki 1989-01-17
4789911 Information recording and reproducing apparatus Yoshihisa Fukushima, Isao Satoh, Makoto Ichinose, Yuzuru Kuroki 1988-12-06
4695993 Optical information recording and reproducing apparatus and optical disc Isao Satoh, Tatsuo Sugimura 1987-09-22