LexDanaLexDanabeta
Inventor

Akira Muramatsu

Inventor
Chiryu, JP

Overview

71→
Patents
1978–2019
Patent span
General tagging of new technological developments
Primary field (CPC Y)

Patents· 71 as inventor

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

Y10Tprimary
Y10TTechnical subjects covered by former us classification20%
E05BLocks18%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests13%
G06FElectric digital data processing5%
G11BInformation storage based on relative movement between record carrier and transducer5%
F16JPistons5%
H04NPictorial communication, e.g. television4%
A61BDiagnosis3%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h103%
G02BOptical elements, systems or apparatus2%
PatentTitleYear
10,441,137Image pickup unit and endoscope201910,271,718Image pickup unit and endoscope2019D0823171Motorcycle20189,957,738Fixing device for vehicle doors20189,872,611Image pickup unit and endoscope20189,447,615'Vehicle door fixing apparatus and fastening member'20169,121,205'Vehicle door fixing apparatus'20159,121,203'Vehicle door fixing apparatus and fixed wedge of same'20159,027,972'Retaining device for vehicle door'20158,944,479'Vehicle door fixing apparatus'20158,837,078'Rotating body for fluid dynamic bearing capable of being thinned and being improved in rotational accuracy and method of producing the rotating body for fluid dynamic bearing'20148,638,526'Rotating device'20148,608,856'Sealing part and substrate processing apparatus'20138,485,534'Metal gasket'20138,425,405'Electronic endoscope apparatus'20138,407,899'Fluid dynamic bearing, method of manufacturing fluid dynamic bearing, rotating device, and disk drive device'20138,376,419'Vehicle door latch device'20138,146,924'Low-compression force metal gaskets'2012D0655797'Hybrid seal member'2012D0655401'Hybrid seal member'20128,117,937'Automobile door-lock drive device'20127,896,354'Composite sealing material'20117,874,599'Door lock apparatus for vehicles'20117,866,669'Composite sealing material'20117,815,231'Door lock device for automotive'20107,637,542'Door lock apparatus'20097,559,586'Door lock apparatus for a vehicle'20097,426,741'Disk device with improved PC board mounting'20087,401,343'Disk apparatus'20087,395,542'Disk apparatus'20087,380,845'Vehicle door lock device'20087,375,990'Switching power device'20087,243,961'Door lock device and door lock module'20077,192,016'Torsion spring assembling structure'20077,063,360'Door lock device'20067,055,872'Door lock device'20067,048,313'Latch mechanism'20067,025,606'Connecting structure for power cord'20067,021,681'Door lock device'20067,004,474'Seal for an endless track'20066,951,355'Door lock system for vehicle'20056,945,574'Door lock system for vehicle'20056,938,446'Vehicle door lock apparatus'20056,634,682'Vehicle door lock apparatus'20036,575,506'Door lock system for vehicle'20036,321,213'Electronic money processing method having a transaction fee collecting function and an electronic money storage apparatus for the same'20016,241,293'Door lock device for vehicles'20015,867,679'Parallel processor system with asynchronous data transmission by a data producing processor to a data using processor employing controlled execution of a program by the data using processor for processing the data'19995,691,403'Biodegradable compositions'19975,517,619'Interconnection network and crossbar switch for the same'19965,471,204'Radio communication apparatus capable of notifying reception of a call signal in a perceptual mode determined by counting a number of times of the reception'19955,339,396'Interconnection network and crossbar switch for the same'19945,283,568'Radio pager with high speed clock of controlled rise time'19945,129,093'Method and apparatus for executing an operation request signal in a loosely coupled parallel computer having processor elements capable of updating memory contents and minimizing exclusive control of sharable distributed memories'19925,043,873'Method of parallel processing for avoiding competition control problems and data up dating problems common in shared memory systems'19914,982,361'Multiple loop parallel pipelined logic simulation system'19914,951,193'Parallel computer with distributed shared memories and distributed task activating circuits'19904,899,213'A system for producing image signals of a subject image by an image sensing device'19904,876,591'Color video signal generating device using monochrome and color image sensors having different resolutions to form a luminance signal'19894,838,226'Apparatus for controlling intake air flow rate in internal combustion engine'19894,823,186'Color video signal generating device using monochrome and color image sensors having different resolutions to form a luminance signal'19894,758,905'Image pickup apparatus with a rotary shutter'19884,757,466'High speed data processing system and method'19884,739,650'Gas flow measuring apparatus'19884,662,057'Method of manufacturing a semiconductor integrated circuit device'19874,502,201'Semiconductor integrated circuit device and fabrication method thereof'19854,470,062'Semiconductor device having isolation regions'19844,399,858'Method for producing foundry mold for metal casting'19834,369,565'Method of manufacturing a semiconductor device utilizing etch and refill to form isolation regions'19834,118,654'Automatic light intensity control for x-ray film viewer'19784,078,599'Self-curing and water-soluble mold'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978–1995Based in Tokyo, JP· patent location history
1983–2001Patents assigned to HITACHI LTD (12)· patent assignee history
1988–2001Based in Kawasaki, JP· patent location history
1990–2015Patents assigned to MURAMATSU AKIRA (16)· patent assignee history
2001–2018Patents assigned to AISIN SEIKI (25)· patent assignee history
2003–2018Based in Chiryu, JP· patent location history
2006–2013Patents assigned to NIHON VALQUA KOGYO KK (8)· patent assignee history
2006–2008Patents assigned to FUNAI ELECTRIC CO (5)· patent assignee history
2006–2008Based in Osaka, JP· patent location history
2011–2013Based in Machida, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
AISIN SEIKI252001–2018
MURAMATSU AKIRAself161990–2015
HITACHI LTD121983–2001
NIHON VALQUA KOGYO KK82006–2013
FUNAI ELECTRIC CO52006–2008
Locations
LocationPatentsSpan
Chiryu, JP242003–2018
Kawasaki, JP91988–2001
Tokyo, JP61978–1995
Machida, JP52011–2013
Osaka, JP52006–2008