LexDanaLexDanabeta
Inventor

Masahiko Watanabe

Inventor
Yokohama, JP

Overview

90→
Patents
1987–2021
Patent span
Chemistry
Primary field (CPC C)

Patents· 90 as inventor

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

F01Lprimary
F01LCyclically operating valves for machines or engines13%
H01FMagnets5%
Y10TTechnical subjects covered by former us classification5%
C04BLime, magnesia4%
G11CStatic stores4%
C07KPeptides3%
C12NMicroorganisms or enzymes3%
C01GCompounds containing metals not covered by subclasses c01d or c01f3%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds3%
F02DControlling combustion engines3%
PatentTitleYear
11,070,001Connector formation structure, electronic control apparatus and production method for connector formation structure202110,288,782Infrared reflective film201910,209,414Infrared-reflecting film201910,007,037Infrared-ray reflective film20189,816,429'Cooling device for internal combustion engine and control method for cooling device'20179,810,240'Water pump and method for producing water pump'20179,726,068'Cooling device for internal combustion engine and control method for cooling device'20179,677,611'Low friction lubrication assembly'20179,516,721'Organic electro-luminescence light-emitting device and production method of the same'20168,927,772'Tertiary amine preparation process'20158,815,211'Radioactive metal-labeled anti-cadherin antibody'20148,727,526'Inkjet printing apparatus'20148,724,157'Printing apparatus and printer driver'20148,587,805'Execution log generation apparatus and method'20138,520,248'Printing apparatus and printer driver'20138,452,519'Valve timing control apparatus for internal combustion engine'20138,422,339'Low friction lubrication assembly'20138,403,532'LED module and LED light source apparatus'20138,344,096'Phosphorus-containing polycarbonate polyol, method for production thereof, and phosphorus-containing polycarbonate polyurethane'20138,297,158'Combined processing lathe and its tool post'20128,245,678'Variable valve timing control apparatus of internal combustion engine'20128,173,790'Insect desiccation resistance genes and uses thereof'20128,148,945'Device provided with power supply circuit'20128,061,310'Valve timing control apparatus for internal combustion engine'20117,939,647'Insect desiccation resistance genes and uses thereof'20117,892,789'Method of increasing cell permeability to trehalose by recombinantly producing a trehalose transporter'20117,827,948'Variable valve timing control apparatus of internal combustion engine'20107,753,018'Valve timing control device for internal combustion engine'20107,713,465'Method of producing MnZn-base ferrite'20107,544,761'Polythiourethane'20097,540,972'Mn-Zn based ferrite material'20097,520,260'Multistage fuel-injection internal combustion engine'20097,481,191'Variable valve timing control apparatus of internal combustion engine'20097,478,614'Variably operated valve system for compression ignition engine'20097,473,769'Insect desiccation resistance genes and uses thereof'20097,465,535'Dehydration procedures for induction of cryptobiosis in insect larvae'20087,460,419'Nonvolatile semiconductor storing device and block redundancy saving method'20087,441,524'Valve timing control apparatus for internal combustion engine and control method thereof'20087,430,144'Semiconductor storage device'20087,424,875'Phase controller and cam shaft phase controller for internal combustion engine'20087,385,022'Polythiocarbonate polythiol'20087,383,803'Valve timing control device for internal combustion engine'20087,301,827'Semiconductor memory device'20077,228,830'Valve timing control device for internal combustion engine'20077,184,334'Semiconductor memory device and method of testing semiconductor memory device'20077,159,545'Valve timing control apparatus for internal combustion engine and control method thereof'20077,088,626'Bias voltage applying circuit and semiconductor memory device'20067,086,359'Rotational phase adjuster'20067,011,060'Valve timing control apparatus for internal combustion engine and control method thereof'20067,011,055'Variable valve operating control apparatus for internal combustion engine and control method thereof'20067,011,057'Variable valve operating control apparatus for internal combustion engine and control method thereof'20066,962,774'Method for dry-preserving multicellular organism tissue at ordinary temperatures'20056,954,380'Programming method of nonvolatile semiconductor memory device'20056,940,381'Mn-Zn based ferrite, magnetic core for transformer and transformer'20056,937,520'Nonvolatile semiconductor memory device'20056,905,629'Mn-Zn ferrite, transformer magnetic core and transformer'20056,832,585'Valve timing controller of internal combustion engine'20046,805,081'Valve timing control device for internal combustion engine'20046,773,619'Magnetic core for transformer, Mn-Zn based ferrite composition and methods of producing the same'20046,752,480'Integrated-circuit apparatus and ink jet recording apparatus using the same'20046,752,932'Ferrite core and its production method'20046,732,688'Valve timing control system for internal combustion engine'20046,675,754'Valve timing control apparatus'20046,672,264'Valve timing control device of internal combustion engine'20046,636,777'Tool-positioning method, tool-positioning device and power feeder for tool positioning'20036,510,826'Valve timing control device of internal combustion engine'20036,502,537'Valve timing control device of internal combustion engine'20036,467,078'Program development system, method for developing programs and storage medium storing programs for development of programs'20026,394,052'Variable valve control apparatus for an internal combustion engine'20026,391,222'NiMnZn based ferrite'20026,311,656'Valve timing control apparatus for internal combustion engine'20016,275,464'Multiple disc changing and playing apparatus having disc rack boards, a carrier and a recorder generator'20016,217,789'Mn-Zn system ferrite'20016,045,945'Electrolyte solution for lithium secondary battery'20006,041,832'Wire twist-preventing device in winding machine'20005,991,256'Multiple disc changing and playing apparatus having disk rack boards, a carrier and a recorder generator'19995,933,950'Method of fastening intake manifold in internal combustion engine having two cylinder banks'19995,795,538'Apparatus for steel hardening and process therefor'19985,696,983'Decentralized system connected by individual buses and bus connection method'19975,670,028'Process for preparing high purity hydrogen peroxide aqueous solution'19975,608,364'Layered stripline filter including inductive coupling adjustment strip'19975,592,544'DTMF signal judging apparatus'19975,588,052'DTMF signal judging apparatus'19965,225,144'Gas-carburizing process and apparatus'19935,223,277'Apparatus for cutting an enveloped body'19935,133,813'Gas-carburizing process and apparatus'19925,068,876'Phase shift angle detector'19914,772,996'Load current detecting device for pulse width modulation inverter'19884,712,052'Digital servo-control system'19874,683,200'Monoclonal antibody to human cancer antigen and method for producing same'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987–2013Patents assigned to HITACHI LTD (20)· patent assignee history
1987–2016Patents assigned to WATANABE MASAHIKO (17)· patent assignee history
1991–2013Patents assigned to SHARP KK (10)· patent assignee history
1992–2017Based in Yokohama, JP· patent location history
1997–2013Based in Ube, JP· patent location history
1999–2014Based in Kanagawa, JP· patent location history
2001–2010Patents assigned to TDK CORP (8)· patent assignee history
2001–2004Patents assigned to UNISIA JECS CORP (6)· patent assignee history
2002–2010Based in Tokyo, JP· patent location history
2006–2008Based in Atsugi, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD201987–2013
WATANABE MASAHIKOself171987–2016
SHARP KK101991–2013
TDK CORP82001–2010
UNISIA JECS CORP62001–2004
Locations
LocationPatentsSpan
Yokohama, JP241992–2017
Kanagawa, JP91999–2014
Tokyo, JP72002–2010
Ube, JP51997–2013
Atsugi, JP52006–2008