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Inventor

Toyoharu Hanzawa

Inventor
Mitaka, JP

Overview

35→
Patents
1992–2018
Patent span
Physics
Primary field (CPC G)

Patents· 35 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G02Bprimary
G02BOptical elements, systems or apparatus50%
H04NPictorial communication, e.g. television34%
G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light8%
A61BDiagnosis6%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them2%
PatentTitleYear
10,031,322Electronic image pickup system20189,696,524'Electronic image pickup system'20179,274,321'Electronic image pickup system'20168,885,262'Electronic image pickup system'20148,743,186'Focal depth expansion device'20148,094,381'Electronic image pickup system'20127,872,806'Electronic image pickup system'20117,602,437'Image pickup device and image pickup optical system'20097,567,288'Image pickup device and image pickup optical system'20097,564,497'Image pickup device and image pickup optical system'20097,436,599'Electronic image pickup system'20087,432,974'Image pickup device and image pickup optical system'20087,380,998'Image pickup apparatus having image pickup optical system'20087,365,910'Electronic image pickup system'20087,280,274'Three-dimensional image observation microscope system'20077,253,834'Image pickup apparatus having image pickup optical system'20077,167,304'Binocular stereoscopic observation apparatus, electronic image stereomicroscope, electronic image stereoscopic observation apparatus, and electronic image observation apparatus'20077,085,045'Stereoscopic microscope'20067,057,659'Image pickup device and image pickup optical system'20066,996,341'Photographic apparatus for stereoscopic microscope'20066,618,210'Zoom lens system and image pickup apparatus having the same'20036,327,079'Stereoscopic microscope'20016,304,374'Stereomicroscope'20015,822,114'Stereomicroscope'19985,729,382'Large exit-pupil stereoscopic microscope'19985,720,706'Stereoscopic endoscope'19985,588,948'Stereoscopic endoscope'19965,579,772'Surgical microscope system'19965,577,991'Three-dimensional vision endoscope with position adjustment means for imaging device and visual field mask'19965,552,929'Stereomicroscope'19965,394,267'Stereomicroscope'19955,341,239'Stereomicroscope equipped with eyepiece including variable magnification optical system'19945,331,457'Stereomicroscope wherein the distance between a pair of beams remains unchanged when the magnification is changed'19945,227,914'Stereomicroscope including a single variable magnification optical system'19935,142,409'Objective lens system'1992

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992–2003Patents assigned to OLYMPUS OPTICAL CO (15)· patent assignee history
1992–2018Based in Tokyo, JP· patent location history
1993–1998Based in Fuchu, JP· patent location history
1998–2014Based in Mitaka, JP· patent location history
2006–2018Patents assigned to OLYMPUS CORP (18)· patent assignee history
2008Based in Hachioji, JP· patent location history
2012–2014Patents assigned to HANZAWA TOYOHARU (2)· patent assignee history
2012–2014Patents assigned to IMAMURA AYAMI (2)· patent assignee history
2012–2014Patents assigned to ISHII ATSUJIRO (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
OLYMPUS CORP182006–2018
OLYMPUS OPTICAL CO151992–2003
HANZAWA TOYOHARUself22012–2014
IMAMURA AYAMI22012–2014
ISHII ATSUJIRO22012–2014
Locations
LocationPatentsSpan
Mitaka, JP171998–2014
Tokyo, JP101992–2018
Fuchu, JP71993–1998
Hachioji, JP12008