Inventor

Atsushi Koyama

Inventor
Utsunomiya, JP

Overview

29→
Patents
1995–2020
Patent span
Physics
Primary field (CPC G)

Patents· 29 as inventor

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

G02Bprimary
G02BOptical elements, systems or apparatus19%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them13%
B29CShaping or joining of plastics9%
G11BInformation storage based on relative movement between record carrier and transducer9%
H04NPictorial communication, e.g. television8%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%
B29DProducing particular articles from plastics or from substances in a plastic state4%
B29LIndexing scheme associated with subclass b29c, relating to particular articles4%
C22CAlloys4%
F16CShafts4%
PatentTitleYear
10,712,004Combustor including an acoustic device mounted on a combustion liner for damping combustion oscillation of a predetermined frequency and gas turbine20209,565,352'Optical apparatus'20179,518,603'Bearing apparatus'20169,213,170'Lens barrel and optical apparatus'20159,007,510'Optical apparatus'20158,845,776'Lead-free copper-based sintered sliding material and sliding parts'20148,743,267'Optical apparatus for calculating an object distance'20148,462,216'Optical apparatus and camera system having a function of moving a focus lens in an optical axis direction to reduce focus shake generated in the optical axis direction'20138,441,742'Lens barrel and optical apparatus including the same'20138,259,182'Optical apparatus and camera system having a function of moving a focus lens in an optical axis direction to reduce focus shake generated in the optical axis direction'20128,228,619'Lens barrel and optical apparatus including the same'20128,218,066'Interchangeable lens, interchangeable lens system and camera system'20128,034,855'Polyacetal resin composition'20117,989,099'Information medium substrate and information medium'20117,801,186'Light source'20107,458,088'Intermediate for optical recording medium and method of manufacturing the optical recording medium'20087,420,748'Lens apparatus and optical apparatus'20087,252,130'Apparatus for fabricating a multi-fiber polarization-maintaining fiber assembly'20077,186,109'Stamper holder, mold component, and mold assembly'20077,138,165'Intermediate for optical recording medium, mold, molding apparatus, and method of manufacturing optical recording medium'20067,118,295'Interchangeable lens, interchangeable lens system and camera system'20067,085,485'Intermediate adapter and camera system'20067,050,243'Lens apparatus, camera system, and camera'20067,044,726'Mold component and mold assembly'20066,926,793'Method and apparatus for fabricating a multi-fiber polarization-maintaining fiber assembly'20056,670,489'Process for producing cyclic formal'20036,529,337'Image blur correction apparatus'20035,648,105'Apparatus for making a plurality of optical record disc subtrates'19975,458,821'Method of making a plurality of optical record disc substrates'1995

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1995–2011Patents assigned to TDK CORP (7)· patent assignee history
1995–2011Based in Tokyo, JP· patent location history
2003–2017Patents assigned to CANON KK (14)· patent assignee history
2003–2017Based in Utsunomiya, JP· patent location history
2005–2010Patents assigned to TOTOKU ELECTRIC (3)· patent assignee history
2006–2012Based in Tochigi, JP· patent location history
2012–2016Patents assigned to KOYAMA ATSUSHI (8)· patent assignee history
2012–2015Patents assigned to SASAKI KUNIHIKO (3)· patent assignee history
2014–2016Based in Toyota, JP· patent location history
2020Based in Kanagawa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CANON KK142003–2017
KOYAMA ATSUSHIself82012–2016
TDK CORP71995–2011
SASAKI KUNIHIKO32012–2015
TOTOKU ELECTRIC32005–2010
Locations
LocationPatentsSpan
Utsunomiya, JP112003–2017
Tokyo, JP81995–2011
Tochigi, JP32006–2012
Toyota, JP22014–2016
Kanagawa, JP12020