Inventor
NIRIKI TAKASHI
JP3 patents
Patents
3 patentsUS4737447AApr 12, 1988
Process for producing micro Fresnel lens
PIONEER ELECTRONIC CORP83 citations94
US4609259ASep 2, 1986
Process for producing micro Fresnel lens
PIONEER ELECTRONIC CORP40 citations90
US4603473AAug 5, 1986
Method of fabricating integrated semiconductor circuit
PIONEER ELECTRONIC CORP12 citations70