Inventor

Hiroshi Ogura

Inventor

Tokyo, JP

Overview

42→

Patents

1977–2019

Patent span

Electricity

Primary field (CPC H)

Patents· 42 as inventor

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

E02Fprimary

E02FDredging12%

H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers9%

B81BMicrostructural devices or systems, e.g. micromechanical devices5%

G05BControl or regulating systems in general4%

G08GTraffic control systems4%

B60RVehicles, vehicle fittings, or vehicle parts, not otherwise provided for3%

G06FElectric digital data processing3%

G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes3%

G07CTime or attendance registers3%

H01GCapacitors3%

PatentTitleYear

10,268,133Conductive roll2019 10,235,658Maintenance management device for operating machinery2019 10,209,642Charge roller2019 10,154,340Microphone2018 9,418,557'Fleet operation management system'2016 8,862,390'Position adjustment assistance system for transportation machine'2014 8,320,589'Electret condenser'2012 8,278,975'Sinusoidal waveform generation circuit'2012 8,155,355'Electret condenser microphone'2012 8,146,437'Diaphragm structure and MEMS device'2012 8,073,166'Electretization method and apparatus'2011 7,853,027'Electret condenser'2010 7,775,558'Webbing holding device'2010 7,706,554'Electret condenser'2010 7,672,768'Operation assist apparatus'2010 7,620,192'Electret covered with an insulated film and an electret condenser having the electret'2009 7,590,252'Heat-resistant electret condenser microphone'2009 7,513,070'Work support and management system for working machine'2009 7,466,834'Electret condenser microphone'2008 7,324,893'Traffic management system'2008 7,310,942'Exhaust passage control valve'2007 7,289,895'Electronic control systems for construction machine'2007 7,222,051'Working machine, failure diagnosis system for work machine and maintenance system for work machines'2007 7,079,982'Working machine, trouble diagnosis system of working machine, and maintenance system of working machine'2006 D0517534'Capacitor microphone'2006 6,897,768'Obstacle detecting apparatus and related communication apparatus'2005 6,826,465'Information display device and display control device for construction machine'2004 6,791,438'Radio frequency module and method for manufacturing the same'2004 6,782,644'Remote control system and remote setting system for construction machinery'2004 6,772,514'Method of machining glass substrate and method fabricating high-frequency circuit'2004 6,766,600'Display device and display controller of construction machinery'2004 6,718,245'Electronic control system for construction machinery'2004 6,692,872'Metal hydride negative electrode and method for producing same'2004 6,532,409'Target excavation surface setting device for excavation machine, recording medium therefor and display unit'2003 6,430,490'Hydraulic circuit control device of construction machinery'2002 6,336,067'Electronic control system and control device for construction machine'2002 6,025,012'Method and apparatus for determining film thickness control conditions and discharging liquid to a rotating substrate'2000 5,935,331'Apparatus and method for forming films'1999 5,217,540'Solar battery module'1993 5,087,430'Process for purifying exhaust gas'1992 4,400,779'Method and apparatus for indicating mileage corresponding to remaining fuel for vehicles'1983 4,022,252'Heddle frame for a high speed weaving machine'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1999–2006Patents assigned to MATSUSHITA ELECTRIC INDUSTRIAL CO LTD (5)· patent assignee history

2000–2006Based in Machida, JP· patent location history

2002–2014Patents assigned to HITACHI CONSTRUCTION MACHINERY (13)· patent assignee history

2002–2010Based in Ryugasaki, JP· patent location history

2004–2018Based in Tokyo, JP· patent location history

2004–2009Based in Ryuugasaki, JP· patent location history

2008–2012Patents assigned to PANASONIC CORP (9)· patent assignee history

2011–2014Patents assigned to OGURA HIROSHI (6)· patent assignee history

2012Patents assigned to YAMAOKA TOHRU (3)· patent assignee history

2014–2019Based in Tsuchiura, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HITACHI CONSTRUCTION MACHINERY	13	2002–2014
PANASONIC CORP	9	2008–2012
OGURA HIROSHIself	6	2011–2014
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD	5	1999–2006
YAMAOKA TOHRU	3	2012

Locations

Location	Patents	Span
Tokyo, JP	12	2004–2018
Ryugasaki, JP	9	2002–2010
Tsuchiura, JP	3	2014–2019
Ryuugasaki, JP	3	2004–2009
Machida, JP	3	2000–2006