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Inventor

Hiroyuki Nakahira

Inventor
Osaka, JP

Overview

17→
Patents
1992–2012
Patent span
Physics
Primary field (CPC G)

Patents· 17 as inventor

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

G06Fprimary
G06FElectric digital data processing13%
G11BInformation storage based on relative movement between record carrier and transducer13%
G06NComputing arrangements based on specific computational models10%
G06VImage or video recognition or understanding8%
H04LTransmission of digital information, e.g. telegraphic communication8%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems5%
H03HImpedance networks, e.g. resonant circuits5%
H03KPulse technique5%
H03MCoding5%
H10DInorganic electric semiconductor devices5%
PatentTitleYear
8,229,047'Complex signal processing circuit, receiver circuit, and signal reproduction device'20127,523,154'Write compensation circuit and signal interpolation circuit of recording device'20097,321,620'Equalizer and reproduction signal processing device'20087,215,623'Reproduction signal processing apparatus'20077,068,584'Signal processor'20066,970,313'Write compensation circuit and signal interpolation circuit of recording device'20056,778,483'Multilevel record modulator and demodulator'20046,745,218'Adaptive digital filter'20046,684,378'Method for designing power supply circuit and semiconductor chip'20046,460,168'Method of designing power supply circuit and semiconductor chip'20026,424,184'FREQUENCY-VOLTAGE CONVERSION CIRCUIT, DELAY AMOUNT JUDGEMENT CIRCUIT, SYSTEM HAVING FREQUENCY-VOLTAGE CONVERSION CIRCUIT, METHOD OF ADJUSTING INPUT/OUTPUT CHARACTERISTICS OF FREQUENCY-VOLTAGE CONVERSION CIRCUIT, AND APPARATUS FOR AUTOMATICALLY ADJUSTING INPUT'20026,067,536'Neural network for voice and pattern recognition'20005,636,327'Neural network circuit'19975,621,862'Information processing apparatus for implementing neural network'19975,550,544'Signal converter, noise shaper, AD converter and DA converter'19965,452,402'Neural network circuit for adaptively controlling the coupling of neurons'19955,136,662'Image processor for sequential processing of successive regions of an image'1992

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992–2008Patents assigned to MATSUSHITA ELECTRIC INDUSTRIAL CO LTD (15)· patent assignee history
1992–2012Based in Osaka, JP· patent location history
2002–2004Based in Katano, JP· patent location history
2004–2009Based in Kyoto, JP· patent location history
2009–2012Patents assigned to PANASONIC CORP (2)· patent assignee history
2012Patents assigned to NAGANO KOUICHI (1)· patent assignee history
2012Patents assigned to NAKAHIRA HIROYUKI (1)· patent assignee history
2012Patents assigned to YAMAMOTO TAKASHI (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD151992–2008
PANASONIC CORP22009–2012
NAGANO KOUICHI12012
NAKAHIRA HIROYUKIself12012
YAMAMOTO TAKASHI12012
Locations
LocationPatentsSpan
Osaka, JP71992–2012
Kyoto, JP72004–2009
Katano, JP32002–2004