ST

Shigeo Tomiyama

HI Hitachi: 1 patents #814 of 2,935Top 30%
HC Hitachi Tokyo Electronics Co.: 1 patents #1 of 10Top 10%
📍 Fujioka, JP: #2 of 7 inventorsTop 30%
Overall (1989): #56,654 of 140,708Top 45%
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, Kouzi Aoki, Ichiro Gyobu, Kimio Muramatsu +4 more 1989-05-30