Inventor
YONEZAWA YASUO
JP20 patents
⚠️ This page may combine multiple inventors who share the name “YONEZAWA YASUO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIKON CORP
11 patentsUS5959772ASep 28, 1999
Relay variable power optical system and a microscope equipped with the optical system
NIKON CORP23 citations92
US5825533AOct 20, 1998
Tandem scanning confocal microscope
NIKON CORP35 citations92
US5483079AJan 9, 1996
Apparatus for detecting an in-focus position of a substrate surface having a movable light intercepting member and a thickness detector
NIKON CORP36 citations92
US5383058AJan 17, 1995
Zoom lens
NIKON CORP33 citations92
US6320702B1Nov 20, 2001
Afocal zoom lens, and microscope having the lens
NIKON CORP15 citations84
US6657782B2Dec 2, 2003
Microscope episcopic illumination device and microscope therewith
NIKON CORP7 citations73
US6339507B1Jan 15, 2002
Galileo type stereomicroscope and objective lens thereof
NIKON CORP10 citations73
US6313952B1Nov 6, 2001
Adapter lens system for a greenough-type stereomicroscope
NIKON CORP7 citations73
US5889276AMar 30, 1999
Focus-detecting method and device having a light blocking member placed substantially at the conjugate image point of the pupil of the object lens
NIKON CORP16 citations73
US5714749AFeb 3, 1998
Focus detecting apparatus and microscope apparatus equipped with the foregoing apparatus
NIKON CORP14 citations72
US6204964B1Mar 20, 2001
Laser microscope
NIKON CORP2 citations62
NISHIYODO AIR CONDITIONER
3 patentsUS5005371AApr 9, 1991
Adsorption thermal storage apparatus and adsorption thermal storage system including the same
NISHIYODO AIR CONDITIONER102 citations93
US4881376ANov 21, 1989
Adsorption refrigeration system
NISHIYODO AIR CONDITIONER58 citations93
US5024064AJun 18, 1991
Method of operating adsorption refrigerator
NISHIYODO AIR CONDITIONER43 citations90