Inventor · disambiguated record
Hisayuki Shimizu
Also filed as: SHIMIZU HISAYUKI
5 granted patents·712 citations·filing 1981–1988
86Inventor score
Top patents by PatentIndex Score
5 records- 0198US4465368AExposure apparatus for production of integrated circuitNIPPON KOGAKU KK·Filed 1981·Granted Aug 14, 1984·474 cites·10 claims
- 0296US4666273AAutomatic magnification correcting system in a projection optical apparatusNIPPON KOGAKU KK·Filed 1986·Granted May 19, 1987·132 cites·24 claims
- 0376US4849901ASubstrate exposure apparatus with flatness detection and alarmNIKON CORP·Filed 1988·Granted Jul 18, 1989·54 cites·9 claims
- 0470US4861378ACement additive containing superplasticizer and bentoniteDENKI KAGAKU KOGYO KK·Filed 1988·Granted Aug 29, 1989·31 cites·6 claims
- 0566US4892586AConcrete composition for roller compacted placing methodDENKI KAGAKU KOGYO KK·Filed 1988·Granted Jan 9, 1990·21 cites·16 claims
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