IH

Izuo Horai

HC Hitachi Electronics Engineering Co.: 4 patents #10 of 175Top 6%
HH Hitachi High-Technologies: 2 patents #968 of 1,917Top 55%
HC Hitachi High-Tech Electronics Engineering Co.: 1 patents #11 of 59Top 20%
Overall (All Time): #738,117 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
9007581 Inspection method and inspection device Hirokazu Koyabu, Yuta Urano, Takahiro Jingu 2015-04-14
7777876 Inspection method and inspection device Hirokazu Koyabu, Yuta Urano, Takahiro Jingu 2010-08-17
6888918 Surface inspection method and surface inspection apparatus Kenji Aikou, Kyoichi Mori 2005-05-03
6057926 Magnetic disk testing method and surface defect testing device 2000-05-02
5898491 Surface defect test method and surface defect tester Takayuki Ishiguro, Kazuya Tsukada 1999-04-27
5875027 Sensitivity calibration disk for surface defect tester Takayuki Ishiguro, Kazuya Tsukada 1999-02-23
5245403 Apparatus for detecting extraneous substances on a glass plate Noboru Kato, Toshihiro Kimura, Mitsuyoshi Koizumi 1993-09-14