P

Inventor

SUWA KYOICHI

JP39 patents
⚠️ This page may combine multiple inventors who share the name “SUWA KYOICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NIPPON KOGAKU KK

17 patents
US4650983AMar 17, 1987

Focusing apparatus for projection optical system

NIPPON KOGAKU KK198 citations99
US4465368AAug 14, 1984

Exposure apparatus for production of integrated circuit

NIPPON KOGAKU KK474 citations98
US4748478AMay 31, 1988

Projection exposure apparatus

NIPPON KOGAKU KK61 citations96
US4734746AMar 29, 1988

Exposure method and system for photolithography

NIPPON KOGAKU KK72 citations96
US4677301AJun 30, 1987

Alignment apparatus

NIPPON KOGAKU KK90 citations96
US4666273AMay 19, 1987

Automatic magnification correcting system in a projection optical apparatus

NIPPON KOGAKU KK132 citations95
US4657379AApr 14, 1987

Photomask and exposure apparatus using the same

NIPPON KOGAKU KK34 citations93
US4390279AJun 28, 1983

Alignment device in an IC projection exposure apparatus

NIPPON KOGAKU KK30 citations93
US4741622AMay 3, 1988

Method and apparatus for detecting diversion

NIPPON KOGAKU KK40 citations92
US4704020ANov 3, 1987

Projection optical apparatus

NIPPON KOGAKU KK32 citations92
US4699515AOct 13, 1987

Process of transfer of mask pattern onto substrate and apparatus for alignment therebetween

NIPPON KOGAKU KK50 citations92
US4679942AJul 14, 1987

Method of aligning a semiconductor substrate and a photomask

NIPPON KOGAKU KK27 citations92
US4592625AJun 3, 1986

Double-conjugate maintaining optical system

NIPPON KOGAKU KK35 citations92
US4531060AJul 23, 1985

Positioning method

NIPPON KOGAKU KK112 citations92
US4423959AJan 3, 1984

Positioning apparatus

NIPPON KOGAKU KK40 citations89
US4566795AJan 28, 1986

Alignment apparatus

NIPPON KOGAKU KK21 citations82
US4770533ASep 13, 1988

Apparatus for detecting position of an object such as a semiconductor wafer

NIPPON KOGAKU KK11 citations74

NIKON CORP

15 patents
US4908656AMar 13, 1990

Method of dimension measurement for a pattern formed by exposure apparatus, and method for setting exposure conditions and for inspecting exposure precision

NIKON CORP152 citations99
US5402224AMar 28, 1995

Distortion inspecting method for projection optical system

NIKON CORP150 citations98
US4931830AJun 5, 1990

Projection exposure apparatus

NIKON CORP108 citations96
US5777729AJul 7, 1998

Wafer inspection method and apparatus using diffracted light

NIKON CORP86 citations95
US5615006AMar 25, 1997

Imaging characteristic and asymetric abrerration measurement of projection optical system

NIKON CORP89 citations95
US6449031B1Sep 10, 2002

Method for use of a critical dimensional test structure

NIKON CORP17 citations92
US5870197AFeb 9, 1999

Precision stage interferometer system with local single air duct

NIKON CORP23 citations92
US5741614AApr 21, 1998

Atomic force microscope measurement process for dense photoresist patterns

NIKON CORP26 citations92
US5666205ASep 9, 1997

Measuring method and exposure apparatus

NIKON CORP25 citations91
US5434026AJul 18, 1995

Exposure condition measurement method

NIKON CORP47 citations91
US4965630AOct 23, 1990

Projection exposure apparatus

NIKON CORP50 citations91
US6855997B2Feb 15, 2005

Mask, exposure method, line width measuring method, and method for manufacturing semiconductor devices

NIKON CORP10 citations74
US4806987AFeb 21, 1989

Projection-exposing apparatus

NIKON CORP8 citations74
US6610460B2Aug 26, 2003

Exposure method

NIKON CORP2 citations62
US12019225B2Jun 25, 2024

Optical system, optical apparatus, imaging apparatus, and method for manufacturing optical system and imaging apparatus

NIKON CORP0 citations59

NIKON PRECISION INC

5 patents

NIKON PREC INC

2 patents