YT

Yuji Takagi

HI Hitachi: 5 patents #117 of 3,771Top 4%
Sumitomo Electric Industries: 3 patents #374 of 4,178Top 9%
Overall (2004): #2,324 of 270,089Top 1%
8
Patents 2004

Issued Patents 2004

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
6828554 Electron beam inspection method and apparatus and semiconductor manufacturing method and its manufacturing line utilizing the same Takashi Hiroi, Maki Tanaka, Masahiro Watanabe, Asahiro Kuni, Yukio Matsuyama +3 more 2004-12-07
RE38611 Method for substituting defective recording of discoid recording medium and discoid recording medium recording and reproducing device Takahiro Nagai, Yoshihisa Fukushima, Shunji Ohara, Isao Satoh 2004-10-05
6797526 Method for manufacturing semiconductor devices and method and its apparatus for processing detected defect data Maki Tanaka, Shunji Maeda, Minori Noguchi, Takafumi Okabe, Chie Shishido 2004-09-28
6756589 Method for observing specimen and device therefor Kenji Obara, Atsushi Shimoda, Ryou Nakagaki, Seiji Isogai, Yasuhiko Ozawa +3 more 2004-06-29
6741941 Method and apparatus for analyzing defect information Kenji Obara, Hisae Shibuya 2004-05-25
6728195 Multi-layered optical disk with shifted track and layer identification and method of detecting a track Isao Satoh, Yoshihisa Fukushima, Yasushi Azumatani, Hiroshi Hamasaka 2004-04-27
6717142 Electron beam inspection method and apparatus and semiconductor manufacturing method and its manufacturing line utilizing the same Takashi Hiroi, Maki Tanaka, Masahiro Watanabe, Asahiro Kuni, Yukio Matsuyama +3 more 2004-04-06
6678227 Simultaneous recording and reproduction apparatus and simultaneous multi-channel reproduction apparatus Satoshi Kondo, Hideki Fukuda, Yoshinari Takemura, Masaaki Kondo, Keiichi Kawashima 2004-01-13