KO

Kenji Oka

HI Hitachi: 2 patents #622 of 3,771Top 20%
Overall (2004): #54,931 of 270,089Top 25%
2
Patents 2004

Issued Patents 2004

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6690469 Method and apparatus for observing and inspecting defects Yukihiro Shibata, Shunji Maeda, Kazuo Yamaguchi, Minoru Yoshida, Atsushi Yoshida +1 more 2004-02-10
6674890 Defect inspection method and apparatus therefor Shunji Maeda, Hiroshi Makihira, Yasuhiko Nakayama, Minoru Yoshida, Yukihiro Shibata +1 more 2004-01-06