YT

Yuji Takagi

HI Hitachi: 3 patents #420 of 3,950Top 15%
Sumitomo Electric Industries: 2 patents #504 of 3,352Top 20%
MC Mastsushita Electric Industrial Co.: 1 patents #1 of 22Top 5%
TI Tokai Rubber Industries: 1 patents #24 of 66Top 40%
Overall (2002): #3,310 of 266,432Top 2%
7
Patents 2002

Issued Patents 2002

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
6496455 Recording defect substitution method for a disc-shaped recording medium, and a recording and reproducing apparatus for a disc-shaped recording medium Takahiro Nagai, Yoshihisa Fukushima, Shunji Ohara, Isao Satoh 2002-12-17
6476388 Scanning electron microscope having magnification switching control Ryo Nakagaki, Atsushi Shimoda, Kenji Obara, Yasuhiko Ozawa, Hideka Bamba +4 more 2002-11-05
6438438 Method and system for manufacturing semiconductor devices, and method and system for inspecting semiconductor devices Hideaki Doi, Makoto Ono 2002-08-20
6421315 Multi-layered optical disk with shifted track and layer identification and method of detecting a track Isao Satoh, Yoshihisa Fukushima, Yasushi Azumatani, Hiroshi Hamasaka 2002-07-16
6390140 Fluid-impermeable composite hose Nobuaki Niki, Kunihiro Noba 2002-05-21
6373054 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 2002-04-16
6351447 Recording defect substitution method for a disc-shaped recording medium, and a recording and reproducing apparatus for a disc-shaped recording medium Takahiro Nagai, Yoshihisa Fukushima, Shunji Ohara 2002-02-26