IH

Iichi Hirao

OM Omron: 1 patents #1,808 of 3,089Top 60%
OE Omron Tateisi Electronics: 1 patents #264 of 599Top 45%
TL Tokyo Electron Limited: 1 patents #3,538 of 5,567Top 65%
Overall (All Time): #2,200,258 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6537347 Method for deciding on the timing of replacing a chemical filter, filter life detection sensor, chemical filter unit, and semiconductor manufacturing apparatus Satoshi Motouji, Teruyuki Hayashi, Misako Saito 2003-03-25
5313198 Data communication apparatus Kazunori Morikawa, Hisato Fujisaka, Ryoichi Miyake 1994-05-17