Inventor

Hiroyuki Yoshikawa

Inventor
Tokyo, JP

Overview

65→
Patents
1990–2020
Patent span
Electricity
Primary field (CPC H)

Patents· 65 as inventor

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

G03Gprimary
G03GElectrography20%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution9%
G06FElectric digital data processing8%
H02SGeneration of electric power by conversion of infrared radiation, visible light or ultraviolet light, e.g. using photovoltaic [pv] modules8%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%
H01RElectrically-conductive connections4%
H03CModulation4%
H04LTransmission of digital information, e.g. telegraphic communication4%
B65HHandling thin or filamentary material, e.g. sheets, webs, cables3%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters3%
PatentTitleYear
10,790,767Control device of permanent magnet synchronous motor and image forming device202010,651,765Motor controller, image forming apparatus and motor controlling method202010,141,877Controller for permanent magnet synchronous motor, control method, and image forming apparatus201810,141,878Controller for permanent magnet synchronous motor, and control method for estimating initial position of rotor201810,128,027Electrical wire holder20189,929,686'Controller for permanent magnet synchronous motor, image forming apparatus, and control method'20189,912,786'Wireless communication device and method to detect header information errors'20189,838,036Decoder, minimum value selection circuit, and minimum value selection method20179,671,711'Image forming apparatus'20179,533,850'Image forming apparatus'20179,537,510'Variable shifter, decoder, and data shifting method'20179,520,214'Electrical wire holder'20169,491,030'Phase rotation correcting method and phase rotation correcting apparatus'20169,141,470'Decoding device'20159,002,220'Fixing device and image formation apparatus'20158,831,457'Fixing device and image forming apparatus'20148,824,904'Fixing device and image forming apparatus'20148,737,042'Terminal box for use with solar cell module'20148,678,864'Terminal box for solar cell module'20148,594,160'Radio transmitting/receiving circuit, wireless communication apparatus, and radio transmitting/receiving method'20138,547,685'Terminal box for solar cell module'20138,496,097'Mount damper and image forming apparatus using the mount damper'20138,463,162'Image forming apparatus'20137,928,314'Terminal box for a solar battery module and a method for producing such a terminal box'20117,920,385'Terminal box for solar cell module'20117,839,230'PLL oscillation circuit, polar transmitting circuit, and communication device'20107,826,811'Phase modulation apparatus and wireless communication apparatus'20107,800,769'Information processing apparatus for setting process condition for allowing any of plurality of image forming apparatuses connected to network to form image, image formation condition setting method, and image formation condition setting program stored on a computer readable recording medium'20107,723,608'Terminal box for a solar battery module, a rectifying-device unit and a method of assembling it'20107,723,609'Terminal box for solar battery module'20107,443,261'Phase modulating apparatus, communication device, mobile wireless unit, and phase modulating method'20087,424,264'Image formation apparatus and image formation method'20087,369,398'Terminal box and a method of providing it'20087,365,965'Terminal box for a solar battery module, a rectifying-device unit'20087,333,582'Two-point frequency modulation apparatus, wireless transmitting apparatus, and wireless receiving apparatus'20087,333,789'Wide-band modulation PLL, timing error correction system of wide-band modulation PLL, modulation timing error correction method and method for adjusting radio communication apparatus having wide-band modulation PLL'20087,199,677'Frequency modulation apparatus'20077,179,577'Carrier for developer for developing electrostatic latent image, image forming method using same and image forming apparatus using same'20077,166,404'Carrier for developer for developing electrostatic latent image, image forming method using same and image forming apparatus using same'20077,011,921'Method and apparatus for producing toner for electrophotography'20066,840,799'Cable connector for connecting solar cell modules'20056,828,503'Terminal box device for a solar cell module and a connecting method for a terminal box device'20046,790,575'Two-component developer, image forming apparatus, and image forming method'20046,696,636'By-pass rectifier element and terminal housing for solar battery modules using a by-pass rectifier element'20046,655,987'Terminal box apparatus for solar cell module'20036,487,377'Recycle information system and image forming apparatus for recycling'20026,437,236'Solar cell panel'20026,076,817'Finisher'20005,971,383'Finisher with a large-capacity sheet stack section'19995,905,935'Finisher capable of folding a paper in a z-shape when the properties of a printed image is affected'19995,797,596'Finisher with a stapling function'19985,623,713'Self-reparir type image forming apparatus utilizing functional representation'19975,613,047'Apparatus having self-repairing function and method of self repairing the same'19975,548,682'Method of automatically creating control sequence software and apparatus therefor'19965,515,503'Self-repair system for an image forming apparatus'19965,467,355'Image forming apparatus provided with self-diagnosis system'19955,463,545'Functional redundancy control system'19955,452,438'Image forming apparatus provided with self-diagnosis and self-repair system'19955,446,523'Image forming apparatus having self-repair function and self-repair method for the apparatus'19955,396,314'Image forming apparatus having functional redundancy system'19955,358,188'Supersonic jet crusher of collisional type'19945,317,368'Image forming apparatus capable of making self-diagnosis'19945,239,547'Self-diagnosis and self-repair system for image forming apparatus'19935,166,934'Self-diagnois and repair system for image forming apparatus'19924,952,859'Stepping motor'1990

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992–1997Patents assigned to MITA INDUSTRIAL CO LTD (11)· patent assignee history
1992–2018Based in Tokyo, JP· patent location history
1994–2007Based in Numazu, JP· patent location history
1998–2002Based in Aichi, JP· patent location history
2002–2018Patents assigned to SUMITOMO WIRING SYSTEMS (14)· patent assignee history
2002–2018Based in Yokkaichi, JP· patent location history
2008–2015Patents assigned to KONICA MINOLTA BUSINESS TECH (7)· patent assignee history
2011–2015Patents assigned to YOSHIKAWA HIROYUKI (10)· patent assignee history
2013–2020Based in Toyohashi, JP· patent location history
2017–2020Patents assigned to KONICA MINOLTA INC (7)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SUMITOMO WIRING SYSTEMS142002–2018
MITA INDUSTRIAL CO LTD111992–1997
YOSHIKAWA HIROYUKIself102011–2015
KONICA MINOLTA BUSINESS TECH72008–2015
KONICA MINOLTA INC72017–2020
Locations
LocationPatentsSpan
Tokyo, JP201992–2018
Yokkaichi, JP162002–2018
Toyohashi, JP122013–2020
Numazu, JP51994–2007
Aichi, JP51998–2002