Inventor

Masafumi Yamasaki

Inventor
Hachioji, JP

Overview

48→
Patents
1981–2021
Patent span
Physics
Primary field (CPC G)

Patents· 48 as inventor

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

G03Bprimary
G03BApparatus or arrangements for taking photographs or for projecting or viewing them29%
H04NPictorial communication, e.g. television28%
G02BOptical elements, systems or apparatus16%
A61BDiagnosis2%
C23CCoating metallic material2%
G06FElectric digital data processing2%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests2%
A61GTransport, personal conveyances, or accommodation specially adapted for patients or disabled persons1%
B62DMotor vehicles1%
F02PIgnition, other than compression ignition, for internal-combustion engines1%
PatentTitleYear
10,897,219Drive apparatus and electric power steering apparatus using the same202110,744,052Treatment table20207,961,233'Electronic blurring compensation device and electronic blurring compensation method'20117,711,254'Electronic blur correction device and electronic blur correction method'20107,664,382'Electronic blur correction device and electronic blur correction method'20107,630,000'Electronic blurring correction apparatus'20097,623,154'Electronic blurring correction apparatus'20097,593,757'Mobile information apparatus'20097,573,525'Camera and photographing method for setting focal distance of photographing optical system so as to correspond to information that indicates photographic range inputted via an operation section'20097,561,185'Shake compensation device for optical devices using a mirror to compensate for the shake'20097,460,771'Image editing device and image editing method'20087,447,330'Image capturing apparatus'20087,286,753'Image capturing apparatus'20077,199,934'Head-mounted display apparatus'20077,173,765'Information display system'20077,084,909'Electronic camera, imaging system and imaging method'20067,042,504'Digital camera having a feature for warning a user of insufficient memory'20066,741,278'Electronic photographing device'20046,661,455'Electronic photographing device for panoramic photographing and editing'20036,377,294'Electronic photographing device'20026,328,865'Method for forming a thin film of a composite metal compound and apparatus for carrying out the method'20016,207,536'Method for forming a thin film of a composite metal compound and apparatus for carrying out the method'20015,627,586'Moving body detection device of camera'19975,481,330'Panoramic photograph processing system'19965,477,353'Photographic image processing system having laboratory unit for processing film and photographer unit for supplying printing information'19955,461,440'Photographing image correction system'19955,365,303'Shake-free image restoration system'19945,138,360'Camera focus detector'19925,028,948'Photoelectric transducer apparatus for focus detection'19914,978,990'Exposure control apparatus for camera'19904,965,443'Focus detection apparatus using neural network means'19904,870,441'Photoelectric conversion apparatus for focus detection'19894,618,238'Camera'19864,593,312'Emission controller for electronic flash associated with an electronic camera'19864,589,754'Camera'19864,589,757'Camera'19864,589,755'Camera'19864,571,049'Photographic camera of multiple spot photometry type'19864,529,289'Camera'19854,500,192'Automatic exposure controller for a camera'19854,480,636'Endoscope with image correction means'19844,458,646'Spark timing control system for an internal combustion engine'19844,453,811'Automatic exposure controller for a camera'19844,432,623'Automatic exposure control camera'19844,408,852'Automatic exposure controller for camera of TTL direct photometry type'19834,402,587'Photometric mode switching apparatus for cameras of automatic exposure control type'19834,367,022'Exposure control circuit for camera of TTL reflective photometry type'19834,258,294'Control circuit for flash tube apparatus'1981

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981–2003Patents assigned to OLYMPUS OPTICAL CO (27)· patent assignee history
1981–2011Based in Hachioji, JP· patent location history
1984–2007Based in Tokyo, JP· patent location history
1984–2001Based in Yokohama, JP· patent location history
2001Patents assigned to SHINCRON CO LTD (2)· patent assignee history
2002–2006Patents assigned to SANYO ELECTRIC CO (4)· patent assignee history
2004–2011Patents assigned to OLYMPUS CORP (14)· patent assignee history
2009–2011Patents assigned to OLYMPUS IMAGING CORP (6)· patent assignee history
2020Based in Kochi, JP· patent location history
2021Based in Kariya, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
OLYMPUS OPTICAL CO271981–2003
OLYMPUS CORP142004–2011
OLYMPUS IMAGING CORP62009–2011
SANYO ELECTRIC CO42002–2006
SHINCRON CO LTD22001
Locations
LocationPatentsSpan
Hachioji, JP361981–2011
Tokyo, JP71984–2007
Yokohama, JP31984–2001
Kariya, JP12021
Kochi, JP12020