Inventor

SASAYA TOSHIHIRO

JP10 patents

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

NIKON CORP

5 patents

US6262793B1Jul 17, 2001

Method of manufacturing and using correction member to correct aberration in projection exposure apparatus

NIKON CORP55 citations95

US5943172AAug 24, 1999

Projection exposure apparatus and method with adjustment of rotationally asymmetric optical characteristics

NIKON CORP10 citations73

NIPPON KOGAKU KK

3 patents

US4437733AMar 20, 1984

Zoom lens

NIPPON KOGAKU KK24 citations81

USRE38403EJan 27, 2004

Projection optical system and projection exposure apparatus

NIPPON KOGAKU KK2 citations62

US4352547AOct 5, 1982

Focusing screen of a camera

NIPPON KOGAKU KK3 citations61

NIKON PREC INC

1 patent

US6323938B1Nov 27, 2001

Method of characterizing photolithographic tool performance and photolithographic tool thereof

NIKON PREC INC8 citations72

SASAYA TOSHIHIRO

1 patent

US9195033B2Nov 24, 2015

Imaging optical system and imaging equipment

SASAYA TOSHIHIRO2 citations55