Inventor
NAGANO CHIKARA
JP13 patents
⚠️ This page may combine multiple inventors who share the name “NAGANO CHIKARA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
OLYMPUS OPTICAL CO
12 patentsUS5751475AMay 12, 1998
Phase contrast microscope
OLYMPUS OPTICAL CO118 citations97
US4852985AAug 1, 1989
Illuminating device for microscopes
OLYMPUS OPTICAL CO236 citations96
US5469299ANov 21, 1995
Objective lens system
OLYMPUS OPTICAL CO45 citations92
US4971445ANov 20, 1990
Fine surface profile measuring apparatus
OLYMPUS OPTICAL CO35 citations89
US5394271AFeb 28, 1995
Optical system for microscopes
OLYMPUS OPTICAL CO11 citations73
US5191473AMar 2, 1993
Objectives
OLYMPUS OPTICAL CO7 citations73
US4624535ANov 25, 1986
Objective lens system for microscopes
OLYMPUS OPTICAL CO9 citations73
US4812039AMar 14, 1989
Schlieren optical device
OLYMPUS OPTICAL CO7 citations71
US4834516AMay 30, 1989
Noninverting photo-microscope with variable power lenses
OLYMPUS OPTICAL CO9 citations69
USRE36299ESep 14, 1999
Optical system for microscopes
OLYMPUS OPTICAL CO4 citations62
US5146363ASep 8, 1992
Microscope optical system
OLYMPUS OPTICAL CO6 citations62
US4322136AMar 30, 1982
Microscope objective lens system
OLYMPUS OPTICAL CO5 citations62