Inventor
TAKAGI KAZUTOSHI
JP19 patents
⚠️ This page may combine multiple inventors who share the name “TAKAGI KAZUTOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOKYO OPTICAL
10 patentsUS4783159ANov 8, 1988
Operation microscope
TOKYO OPTICAL46 citations92
US4702570AOct 27, 1987
Stereo-microscope with two observation optical systems each including a right angle prism and a roof right angle prism providing both rotation and relative separation adjustments
TOKYO OPTICAL25 citations92
US4632528ADec 30, 1986
Method for determining refractive index of an object
TOKYO OPTICAL38 citations91
US4601550AJul 22, 1986
Stereo-microscope with a common objective lens system
TOKYO OPTICAL18 citations82
US5015081AMay 14, 1991
Binocular microscope
TOKYO OPTICAL14 citations74
US4932774AJun 12, 1990
Illuminating system of ophthalmological instrument
TOKYO OPTICAL14 citations74
US4818068AApr 4, 1989
Slit apparatus
TOKYO OPTICAL9 citations73
US4855875AAug 8, 1989
Light source device for medical apparatus
TOKYO OPTICAL19 citations68
US4793700ADec 27, 1988
Gaze-fixing device for surgical microscope
TOKYO OPTICAL3 citations63
US4597650AJul 1, 1986
Specular microscope
TOKYO OPTICAL5 citations62
TOPCON CORP
8 patentsUS6937390B2Aug 30, 2005
Operation microscope apparatus
TOPCON CORP28 citations92
US5067804ANov 26, 1991
Microscope
TOPCON CORP43 citations92
US5140458AAug 18, 1992
Optical illuminating and observing apparatus
TOPCON CORP45 citations87
US5543962AAug 6, 1996
Binocular stereoscopic microscope
TOPCON CORP17 citations74
US5446582AAug 29, 1995
Operation microscope
TOPCON CORP15 citations74
US5270747ADec 14, 1993
Stereomicroscope with first and second illuminating systems
TOPCON CORP16 citations74
US5135299AAug 4, 1992
Surgical operation microscope
TOPCON CORP13 citations74
US7982949B2Jul 19, 2011
Operation microscope having assistant's microscope
TOPCON CORP1 citations52