LexDanaLexDanabeta
Inventor

Makoto Yasuda

Inventor
Kuwana, JP

Overview

92→
Patents
1978–2020
Patent span
Electricity
Primary field (CPC H)

Patents· 92 as inventor

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

H10Dprimary
H10DInorganic electric semiconductor devices15%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1011%
G03GElectrography11%
H01LSemiconductor devices9%
H10BElectronic memory devices9%
H01JElectric discharge tubes or discharge lamps5%
H04LTransmission of digital information, e.g. telegraphic communication5%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h104%
F02BInternal-combustion piston engines3%
G11CStatic stores3%
PatentTitleYear
10,878,927Non-volatile semiconductor memory device and method for reprogramming thereof202010,840,323Method of fabricating semiconductor device having resistance elements202010,818,594Semiconductor device2020D0896759Electrical connector202010,741,699Semiconductor device202010,720,489Semiconductor device having resistance elements and fabrication method thereof202010,713,762Image forming apparatus202010,510,824Semiconductor device having resistance elements and fabrication method thereof201910,373,952Semiconductor device201910,354,953Semiconductor device201910,256,990Relay device and relay system201910,090,201Method of manufacturing semiconductor device reducing variation in thickness of silicon layer among semiconductor wafers201810,014,363Semiconductor device having resistance elements and fabrication method thereof201810,014,254Semiconductor device20189,989,876Image forming apparatus and method for calculating a toner degradation rate20189,973,349Relay system and switching device20189,973,444Relay system and switching device20189,794,194'Relay system and switching device'20179,773,733'Semiconductor device'20179,762,510'Relay system and switching device'20179,748,231'Semiconductor device'20179,684,259'Image forming apparatus'20179,685,442'Semiconductor device and method of manufacturing the same'20179,634,021'Method of manufacturing semiconductor device'20179,599,946'Image forming apparatus'20179,588,460'Image forming apparatus'20179,590,815'Relay system and switching device'20179,525,591'Relay system and switching device'20169,525,609'Relay system and switching device'20169,513,594'Protective layer forming device and image forming apparatus'20169,488,931'Image forming apparatus'20169,413,661'Network relay device'20169,316,987'Image forming apparatus and image forming method'20169,310,743'Image forming apparatus and cleaning of image forming apparatus'20169,280,125'Image forming apparatus'20169,239,542'Image forming apparatus'20169,128,428'Image forming apparatus which includes a colorless toner image forming device'20158,980,710'Manufacturing method of semiconductor device'20158,947,732'Print control device and print control method'20158,878,336'Fuse'20148,772,104'Capacitor and method for fabricating the same, and semiconductor device and method for fabricating the same'20148,723,270'Semiconductor memory device and fabrication process thereof'20148,712,261'Lubricant supplying device, process cartridge, and image forming apparatus'20148,660,468'Developing device including refill operation'20148,652,896'Semiconductor memory device and fabrication process thereof'20148,378,426'Semiconductor memory device and fabrication process thereof'20138,303,192'Resin cage and rolling bearing'20128,273,513'Image forming apparatus, process cartridge, and image bearing member'20128,253,332'Excimer lamp'20128,059,992'Corona charger, and process cartridge and image forming apparatus using same'20117,879,519'Image bearing member and image forming apparatus using the same'20117,843,034'Capacitor having upper electrode not formed over device isolation region'20107,619,364'UV continuous spectrum lamp and its lighting device'20097,577,377'Developing device, process cartridge and image forming apparatus including the same'20097,340,202'Image forming apparatus and process cartridge for use therewith'20087,071,116'Semiconductor device and method for manufacturing same'20067,002,201'Semiconductor device and manufacturing method thereof'20066,780,705'Semiconductor device and its manufacture'20046,754,275'Decoding device and method for deciding the next decoded frame based on the frame interval'20046,727,573'Semiconductor device having triple well structure'20046,670,512'Substituted tetraarylethylene compounds'20036,521,934'Semiconductor device with a plurality of elements having different heights'20036,383,914'Method of manufacturing an aluminum interconnect structure of a semiconductor device having <111> orientation'20026,373,905'Decoding apparatus and decoding method'20026,330,365'Decoding method and apparatus using bitstreams and a hierarchical structure'20016,242,294'Method for fabricating a semiconductor device'20015,553,250'Bus terminating circuit'19965,462,229'Steam injector'19955,323,967'Steam injector'19945,148,021'Mass spectrometer using plasma ion source'19925,086,255'Microwave induced plasma source'19924,960,084'Valve timing control system for internal combustion engine'19904,959,956'Robust exhaust manifold'19904,902,099'Trace element spectrometry with plasma source'19904,900,992'Apparatus and method for controlling electric car'19904,879,535'Remotely controllable circuit breaker'19894,871,947'Apparatus for automatically correcting arc position of high pressure discharge lamp'19894,838,215'Inertia supercharging induction system for multi-cylinder internal combustion engine'19894,833,882'Exhaust manifold for multicylinder internal combustion engine'19894,803,406'High-pressure discharge lamp operating circuit'19894,755,056'Instrument for spectroscopy having metal halide lamp as light source'19884,741,294'Inertia supercharging induction system for multi-cylinder internal combustion engine'19884,715,329'Induction system for internal combustion engine'19874,712,532'Crankcase emission control system for an internal combustion engine'19874,700,666'Induction system for internal combustion engine'19874,622,493'High intensity ultraviolet light source'19864,622,485'Discharge lamp with neon gas in outer tube'19864,587,460'High-pressure discharge lamp operating circuit'19864,523,096'Liquid chromatography apparatus'19854,434,305'Process for production of hydroquinone'19844,339,201'Temperature control system for an element analyzer'19824,095,142'High frequency discharge lamp for a spectral-line source'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978–1992Patents assigned to HITACHI LTD (13)· patent assignee history
1987–1995Based in Yokohama, JP· patent location history
1990–2020Based in Kanagawa, JP· patent location history
2001–2014Based in Kawasaki, JP· patent location history
2010–2018Patents assigned to FUJITSU SEMICONDUCTOR LTD (11)· patent assignee history
2011–2020Patents assigned to YASUDA MAKOTO (22)· patent assignee history
2011–2020Patents assigned to RICOH CO LTD (18)· patent assignee history
2014–2020Based in Kuwana, JP· patent location history
2015–2018Patents assigned to KASAI TADASHI (12)· patent assignee history
2016–2019Based in Tsuchiura, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
YASUDA MAKOTOself222011–2020
RICOH CO LTD182011–2020
HITACHI LTD131978–1992
KASAI TADASHI122015–2018
FUJITSU SEMICONDUCTOR LTD112010–2018
Locations
LocationPatentsSpan
Kuwana, JP192014–2020
Kanagawa, JP191990–2020
Tsuchiura, JP92016–2019
Yokohama, JP91987–1995
Kawasaki, JP82001–2014