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Inventor

Hirofumi Yoshida

Inventor
Yokohama, JP

Overview

42→
Patents
1982–2019
Patent span
Physics
Primary field (CPC G)

Patents· 42 as inventor

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

A61Bprimary
A61BDiagnosis23%
G01BMeasuring length, thickness or similar linear dimensions12%
F04CRotary-piston, or oscillating-piston, positive-displacement machines for liquids10%
G01NInvestigating or analysing materials by determining their chemical or physical properties10%
G02BOptical elements, systems or apparatus8%
C01GCompounds containing metals not covered by subclasses c01d or c01f4%
C04BLime, magnesia4%
H01FMagnets4%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds3%
H10HInorganic light-emitting semiconductor devices having potential barriers2%
PatentTitleYear
10,233,929Rotary compressor having two cylinders201910,233,930Rotary compressor having two cylinders201910,165,942Optical tomographic imaging apparatus, control method therefor, and program therefor201910,028,656Optical coherence tomographic apparatus20189,955,866Optical tomographic imaging apparatus20189,919,384'Light emitting device and method of producing the light emitting device'20189,568,004'Rotary compressor'20179,538,913'Ophthalmic system'20179,512,841'Rotary compressor with oil retaining portion'20169,482,231'Rotary compressor having an oil groove in an inner peripheral surface of a bearing'20169,427,150'Optical tomographic imaging apparatus'20169,427,149'Optical tomographic imaging apparatus'20169,310,187'Image capturing apparatus, image capturing method, and storage medium'20169,307,900'Ophthalmic device, and method and program for controlling the same'20169,291,445'Optical coherence tomographic apparatus'20169,289,117'Optical tomographic imaging apparatus'20169,277,859'Optical tomographic imaging apparatus and method for controlling the same'20169,277,860'Optical tomographic imaging apparatus and method for controlling the same'20169,204,793'Ophthalmologic apparatus and ophthalmologic photographing method'20159,109,870'Image capturing apparatus, image capturing method, and storage medium'20158,985,978'Scroll compressor with bypass holes'20158,982,357'Imaging device and imaging method'20158,960,904'Optical tomographic apparatus and control method thereof'20158,960,905'Optical tomographic apparatus and control method thereof'20158,873,065'Tomographic imaging apparatus and tomographic imaging method'20148,668,839'Mn-Zn-co ferrite'20148,518,289'Mn-Zn-Co ferrite core and method for producing the same'20138,512,589'Mn—Zn ferrite core and method for producing the same'20138,425,036'Optical tomographic imaging apparatus and control method for the same'20138,404,142'MnZn ferrite and a transformer magnetic core'20138,294,901'Optical tomography having path length control based on object position'20128,289,502'Measurement apparatus and measurement method'20128,236,591'Semiconductor light emitting element and method for manufacturing the same'20128,022,872'Positioning receiver'20117,845,856'Gas vent plug, bearing device, and bearing'20107,446,946'Zoom optical system'20087,443,601'Zoom optical system'20087,149,037'Zoom lens system and image-taking apparatus having the same'20065,227,926'Duplicator system manageable of life of mother tape'19935,171,787'Silicone-based composite rubber composition and uses thereof'19924,980,396'Primer composition'19904,346,285'Heating device employing thermistor with positive coefficient characteristic'1982

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1982–2019Based in Shiga, JP· patent location history
1990–1992Based in Gunma, JP· patent location history
2006–2019Patents assigned to CANON KK (24)· patent assignee history
2008–2019Based in Yokohama, JP· patent location history
2012–2017Patents assigned to YOSHIDA HIROFUMI (16)· patent assignee history
2012–2018Based in Tokushima, JP· patent location history
2013–2014Patents assigned to GOTO SATOSHI (4)· patent assignee history
2013–2014Patents assigned to JFE CHEMICAL CORP (4)· patent assignee history
2013–2014Based in Chiba, JP· patent location history
2015–2019Patents assigned to PANASONIC IP MAN CO LTD (6)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CANON KK242006–2019
YOSHIDA HIROFUMIself162012–2017
PANASONIC IP MAN CO LTD62015–2019
GOTO SATOSHI42013–2014
JFE CHEMICAL CORP42013–2014
Locations
LocationPatentsSpan
Yokohama, JP242008–2019
Shiga, JP71982–2019
Chiba, JP42013–2014
Tokushima, JP22012–2018
Gunma, JP21990–1992