IG

Ichiro Gyobu

HI Hitachi: 1 patents #814 of 2,935Top 30%
HC Hitachi Tokyo Electronics Co.: 1 patents #1 of 10Top 10%
📍 Ibaraki, JP: #110 of 447 inventorsTop 25%
Overall (1989): #102,625 of 140,708Top 75%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4835114 Method for LPCVD of semiconductors using oil free vacuum pumps Akihiko Satou, Tadao Kusaka, Shigeo Tomiyama, Kouzi Aoki, Kimio Muramatsu +4 more 1989-05-30