IK

Isao Koromegawa

HC Hitachi Techno Engineering Co.: 2 patents #11 of 111Top 10%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
📍 Ibaraki, JP: #2,661 of 6,779 inventorsTop 40%
Overall (All Time): #1,653,859 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5297480 High vacuum hot press Akimi Miyashita, Hazime Sato, Mutsumasa Fujii, Katsunori Shibata 1994-03-29
5177528 Aligning apparatus for substrate Terumi Ogawa, Masashi Takagaki, Hironori Toyoshima 1993-01-05
4605979 Load/unload suspension device for a magnetic disc apparatus Yohichi Inoue, Katsuyuki Tanaka, Yoshinori Takeuchui, Yuzoo Yamaguchi, Yokuo Saitoh 1986-08-12