Inventor

SHIMIZU HISAYUKI

JP5 patents

⚠️ This page may combine multiple inventors who share the name “SHIMIZU HISAYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NIPPON KOGAKU KK

2 patents

US4465368AAug 14, 1984

Exposure apparatus for production of integrated circuit

NIPPON KOGAKU KK474 citations98

US4666273AMay 19, 1987

Automatic magnification correcting system in a projection optical apparatus

NIPPON KOGAKU KK132 citations95

DENKI KAGAKU KOGYO KK

2 patents

US4861378AAug 29, 1989

Cement additive containing superplasticizer and bentonite

DENKI KAGAKU KOGYO KK31 citations89

US4892586AJan 9, 1990

Concrete composition for roller compacted placing method

DENKI KAGAKU KOGYO KK21 citations79

NIKON CORP

1 patent

US4849901AJul 18, 1989

Substrate exposure apparatus with flatness detection and alarm

NIKON CORP54 citations90