LexDanaLexDanabeta
Inventor

Yoshiyuki Akiyama

Inventor
Kanagawa, JP

Overview

41→
Patents
1993–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 41 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 transducer20%
H04NPictorial communication, e.g. television8%
G09GArrangements or circuits for control of indicating devices using static means to present variable information7%
H04BTransmission7%
G02BOptical elements, systems or apparatus6%
H03MCoding4%
H04LTransmission of digital information, e.g. telegraphic communication4%
H05KPrinted circuits4%
H01PWaveguides3%
H01RElectrically-conductive connections3%
PatentTitleYear
11,125,384Bearing device and exhaust turbine turbocharger202110,890,109Turbocharger202110,484,101Transmitter/receiver and transmitting/receiving method201910,473,353Air conditioner and defrosting operation method therefor201910,386,871Air conditioner with indoor units and outdoor units201910,347,960Signal transmission system, connector apparatus, electronic device, and signal transmission method201910,229,656Image processing apparatus and image processing method to display full-size image of an object201910,211,248Circuit substrate, image sensor, and electronic apparatus201910,154,175Circuit board, imaging device, and electronic apparatus201810,048,294Current detection device20189,825,348'Signal transmission system, connector apparatus, electronic device, and signal transmission method'20179,337,919'Signal transmission system, connector apparatus, electronic device, and signal transmission method'20169,007,981'Electronic device, signal transmission device, and signal transmission method'20158,594,206'Wireless transmission apparatus, wireless reception apparatus, wireless communication system, and wireless communication method'20137,800,358'Noncontact rotation angle sensor, manufacturing method for the same, and throttle valve control device for internal combustion engine having the same'20107,072,097'Image production apparatus, image display apparatus, image display method and optical modulation device adjustment apparatus'20067,042,627'Image production apparatus, image display apparatus, image display method and optical modulation device adjustment apparatus'20066,999,229'Image production apparatus, image display apparatus, image display method and optical modulation device adjustment apparatus'20066,992,812'Image production apparatus, image display apparatus, image display method and optical modulation device adjustment apparatus'20066,987,606'Image production apparatus, image display apparatus, image display method and optical modulation device adjustment apparatus'20066,937,556'Optical recording medium including a wobbled groove with address information recorded on the land region adjacent the groove'20056,774,953'Method and apparatus for color warping'20046,700,861'Optical disc and apparatus for scanning the optical disc'20046,646,963'Optical recording medium, method for recording/reproducing the optical recording medium and apparatus for recording/reproducing the optical recording medium including a wobbled groove'20036,638,047'Molding machine'20036,606,289'Optical recording medium, method for recording/reproducing the optical recording medium and apparatus for recording/reproducing the optical recording medium including a wobbled groove'20036,580,680'Optical disc and apparatus for scanning the optical disc'20036,469,961'Optical recording medium, method for recording/reproducing the optical'20026,430,133'Optical recording and/or reproducing apparatus using wobble signals detected from a groove and pit signals detected from pits on the recording medium to control recording and/or reproducing'20026,424,614'Data recording medium and record/playback apparatus using the data recording medium'20026,282,166'Optical recording medium with wobbled grooves and interconnecting pits'20016,075,761'Optical recording medium having pits that are formed with respect to a wobbled groove at substantially constant positions in each cycle of the groove having a pit'20005,841,513'Apparatus for reproducing sound signals recorded on a motion picture film with digital sound track'19985,764,170'Code conversion method'19985,745,505'Digital signal encoding method and apparatus, digital signal recording medium, and digital signal decoding method and apparatus'19985,623,459'Method and apparatus for error correcting reproduced data'19975,550,603'Motion picture film with digital sound track'19965,471,450'Digital data reproducing apparatus and method employing buffer memories for error compensation and accomodating differences in reproduction and processing rates'19955,305,113'Motion picture decoding system which affords smooth reproduction of recorded motion picture coded data in forward and reverse directions at high speed'19945,265,078'Disk magazine and disk loading device'19935,200,938'Disk magazine and disk loading device'1993

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993–2019Patents assigned to SONY CORP (29)· patent assignee history
1993–2019Based in Kanagawa, JP· patent location history
2000–2003Patents assigned to PIONEER ELECTRONIC CORP (6)· patent assignee history
2000–2003Patents assigned to PIONEER VIDEO CORP (4)· patent assignee history
2001–2021Based in Tokyo, JP· patent location history
2003–2019Based in Shizuoka, JP· patent location history
2003–2004Based in Shinagawa-ku, JP· patent location history
2010–2018Based in Hitachinaka, JP· patent location history
2013–2016Patents assigned to AKIYAMA YOSHIYUKI (3)· patent assignee history
2019Patents assigned to HITACHI JOHNSON CONTROLS AIR CONDITIONING INC (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SONY CORP291993–2019
PIONEER ELECTRONIC CORP62000–2003
PIONEER VIDEO CORP42000–2003
AKIYAMA YOSHIYUKIself32013–2016
HITACHI JOHNSON CONTROLS AIR CONDITIONING INC22019
Locations
LocationPatentsSpan
Kanagawa, JP291993–2019
Tokyo, JP52001–2021
Shizuoka, JP22003–2019
Hitachinaka, JP22010–2018
Shinagawa-ku, JP22003–2004