Inventor

OHNO KOICHI

JP7 patents

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

NIKON CORP

3 patents

US4871237AOct 3, 1989

Method and apparatus for adjusting imaging performance of projection optical apparatus

NIKON CORP88 citations94

US4803524AFeb 7, 1989

Method of and apparatus for detecting the accuracy of superposition exposure in an exposure apparatus

NIKON CORP27 citations92

US4965630AOct 23, 1990

Projection exposure apparatus

NIKON CORP50 citations91

NOK CORP

1 patent

US6521024B1Feb 18, 2003

Seal plate and pressure adjusting mechanism for the seal plate

NOK CORP37 citations86

FUJITSU LTD

1 patent

US5381411AJan 10, 1995

Apparatus for controlling ATM cell generation rate

FUJITSU LTD18 citations73

NIPPON KOGAKU KK

1 patent

US4676614AJun 30, 1987

Apparatus for regulating the optical characteristics of a projection optical system

NIPPON KOGAKU KK18 citations72

TOKAI RIKA CO LTD

1 patent

US5418643AMay 23, 1995

Mirror assembly for use in automobile having water drops removing apparatus

TOKAI RIKA CO LTD6 citations61