LexDanaLexDanabeta
Inventor

Akira Kikuchi

Inventor
Hitachi, JP

Overview

90→
Patents
1976–2020
Patent span
Electricity
Primary field (CPC H)

Patents· 90 as inventor

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

G11Bprimary
G11BInformation storage based on relative movement between record carrier and transducer8%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters6%
H02JElectric power networks6%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution6%
A61BDiagnosis4%
G02BOptical elements, systems or apparatus4%
Y02TClimate change mitigation technologies related to transportation4%
B60LPropulsion of electrically-propelled vehicles4%
Y10TTechnical subjects covered by former us classification4%
F03DWind motors3%
PatentTitleYear
10,873,273Renewable energy resources integrating power conversion apparatus202010,756,571System and method for stabilizing power system202010,182,889Magnet assembly for dental magnetic attachment20199,991,819Power conversion system and method for detecting isolated operation of the same20189,702,580'Air conditioning controlling system and air conditioning controlling method'20179,452,679'Operation management system'20169,315,116'Electric drive vehicle'20169,118,954'Module coping with conditional access broadcasting, digital broadcasting receiving system, and method of controlling module coping with conditional access broadcasting'20159,079,502'Electrically driven vehicle'20158,951,044'Keeper for implant and its assembly, and keeper-fixing method'20158,880,261'Electrically driven vehicle'20148,722,212'Magnetic recording medium with a non-magnetic granular layer under a plurality of granular magnetic layers and storage apparatus'20148,523,296'Electric drive vehicle'20138,520,404'Fixing member for fixing blindfold plate and method of fixing blindfold plate'20138,466,573'Wind turbine generator system'20138,454,495'Capsule medical apparatus'20138,374,070'Magnetic recording medium having piezoelectric material and apparatus for recording information data into such magnetic medium'20138,319,621'Vehicle having tire wear evaluation system'20128,300,972'Electronic apparatus, blur image sorting method, and program'20128,242,620'Wind turbine generator system'20128,151,915'Electric drive vehicle'20128,091,164'Introduction-assisting apparatus for capsule medical device'20128,057,927'Magnetic recording medium and information storage apparatus'20117,952,216'Wind turbine generator system'20117,905,727'Implant keeper and its assembly, and keeper-fixing method'20117,888,894'Electric motor control system, series hybrid vehicle, electric motor control apparatus, and electric motor control method'20117,615,880'Wind turbine generator system'20097,583,036'Electrically driven vehicle'20097,448,993'Gastrointestinal tract examining apparatus'20087,368,187'Thermally stable low noise magnetic recording media'20087,273,666'Magnetic recording medium and magnetic recording medium driving apparatus'20077,268,443'Wind turbine generator system'20077,144,366'Capsule medical apparatus having evacuation detecting and notifying devices and capsule medical apparatus collecting system'20067,145,262'Wind turbine generator system'20067,145,403'Static magnetic field applying structure for use in atomic oscillator'20067,095,132'Wind turbine generator system'20067,051,447'System and method for measuring coordinate using multi-joint arm'20067,049,013'Magnetic recording medium and method of producing the same, and magnetic storage apparatus'20066,985,043'Atomic oscillator'20066,830,807'Thermally stable low noise magnetic recording media'20046,803,117'Magnetic recording medium with an exchange layer structure including a CoCrPtB ferromagnetic layer'20046,773,392'Endoscope'20046,753,102'Magnetic recording medium and magnetic recording apparatus'20046,749,956'Magnetic recording medium'20046,731,522'Power generation apparatus using permanent-magnet generator'20046,720,753'Power generation system using synchronous generator'20046,686,069'Magnetic recording medium with improved control layer'20046,682,834'Magnetic storage medium having a high recording density'20046,611,437'Power generation apparatus using permanent-magnet generator'20036,611,438'Power generation apparatus using permanent-magnet generator'20036,567,282'Apparatus and method of sensorless control for synchronous generator'20036,558,316'Endoscope optical system including composition having durability to a sterilization treatment'20036,392,494'Frequency comparator and clock regenerating device using the same'20026,314,231'Editing apparatus'20016,132,875'Magnetic recording medium and magnetic head having carbon protective layers'2000RE036796'Method and apparatus for drying bearing'20006,082,677'Satellite orbiting toward west in the equatorial plane and meteorological satellite system using the satellite'20006,002,246'Flyback transformer'19995,926,603'Video signal editing apparatus in which multiple video clip edit frames are simultaneously displayed on one monitor'19995,913,255'Radially anisotropic sintered R-Fe-B-based magnet and production method thereof'19995,805,545'Midi standards recorded information reproducing device with repetitive reproduction capacity'19985,547,457'Objective optical system for endoscopes'19965,489,343'Method for producing R-Fe-B-based, sintered magnet'19965,424,877'Observation optical system for endoscopes'19955,359,456'Objective lens system for endoscopes'19945,337,497'Method and apparatus for drying bearing'19945,329,444'Work management system employing electronic board'19945,267,092'Editing apparatus for sequentially reproducing information signals from a plurality of recorded media and recording the reproduced signals on a recording media in accordance with predetermined editing data'19935,227,987'Digital signal processor for executing multichannel processing of analog inputs and outputs'19935,206,759'Image relaying optical system'1993D0332782'Laptop computer'19935,143,435'Illumination system for endoscopes'19925,142,410'Image relaying optical system'19925,097,204'Method and apparatus for evaluating the capacitance of an integrated electronic device using an E beam'19925,086,896'Jaw clutch coupling mechanism and shift lever link mechanism'19925,006,795'Charged beam radiation apparatus'19914,988,172'Optical system for endoscopes'19914,980,639'Method and apparatus for testing integrated electronic device'19904,953,937'Illumination optical system'19904,930,861'Television camera for endoscopes'19904,851,768'Characteristic test apparatus for electronic device and method for using the same'19894,728,861'Light control apparatus for a vehicle'19884,720,624'Non-uniform resistance heating tubes'19884,667,156'Vehicle wheel bearing mounted pulser'19874,661,760'Control system for engine-driven generator'19874,613,791'Automatic light control apparatus for vehicle'19864,477,221'Arm for a programme controlled manipulator'19844,451,195'Arm for a program controlled manipulator'19844,374,477'Ultrasonic measuring device'19833,935,083'Method of forming insulating film on interconnection layer'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–2020Patents assigned to HITACHI LTD (19)· patent assignee history
1983–2020Based in Tokyo, JP· patent location history
1989–2012Based in Kanagawa, JP· patent location history
1990–2003Patents assigned to OLYMPUS OPTICAL CO (10)· patent assignee history
2000–2017Patents assigned to FUJITSU LTD (14)· patent assignee history
2000–2014Based in Higashine, JP· patent location history
2003–2015Based in Hitachi, JP· patent location history
2004–2013Based in Yokohama, JP· patent location history
2011–2015Patents assigned to KIKUCHI AKIRA (15)· patent assignee history
2012–2016Patents assigned to HITACHI CONSTRUCTION MACHINERY (5)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD191976–2020
KIKUCHI AKIRAself152011–2015
FUJITSU LTD142000–2017
OLYMPUS OPTICAL CO101990–2003
HITACHI CONSTRUCTION MACHINERY52012–2016
Locations
LocationPatentsSpan
Hitachi, JP162003–2015
Tokyo, JP151983–2020
Kanagawa, JP141989–2012
Higashine, JP112000–2014
Yokohama, JP52004–2013