Inventor

JOHNSON ERIC R

US8 patents

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

NIKON PREC INC

2 patents

US6750952B2Jun 15, 2004

Apparatus for preforming measurement of a dimension of a test mark for semiconductor processing

NIKON PREC INC63 citations95

US6538753B2Mar 25, 2003

Method and apparatus for dimension measurement of a pattern formed by lithographic exposure tools

NIKON PREC INC6 citations70

NIKON CORP

1 patent

US6449031B1Sep 10, 2002

Method for use of a critical dimensional test structure

NIKON CORP17 citations92

NIKON PRECISION INC

1 patent

US6094256AJul 25, 2000

Method for forming a critical dimension test structure and its use

NIKON PRECISION INC29 citations92

SCANDURA INC

1 patent

US4430146AFeb 7, 1984

Belt splicing apparatus and method and splice formed thereby

SCANDURA INC44 citations89

SCHNEIDER ERIC W

1 patent

US8710973B2Apr 29, 2014

Automatic engine oil life determination with a factor for oil quality

SCHNEIDER ERIC W15 citations82

JOHNSON ERIC R

1 patent

US8468982B2Jun 25, 2013

Systems and methods for dispensing oil and fuel additives

JOHNSON ERIC R11 citations78

SMOLENSKI DONALD JOHN

1 patent

US9388716B2Jul 12, 2016

Systems and methods for accurately compensating for a change in amount of unwanted fluid diluted in engine oil resulting from a recent long trip

SMOLENSKI DONALD JOHN3 citations61