LexDanaLexDanabeta
Inventor

Masayuki Hirabayashi

Inventor
Yokohama, JP

Overview

51→
Patents
1990–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 51 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 transducer24%
H04NPictorial communication, e.g. television20%
G06FElectric digital data processing6%
H04LTransmission of digital information, e.g. telegraphic communication6%
H04WWireless communication networks6%
H04MTelephonic communication4%
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes3%
G08CTransmission systems for measured values, control or similar signals3%
G11CStatic stores3%
H04HBroadcast communication3%
PatentTitleYear
11,057,668Broadcast receiving device202110,783,228Information processing device, application software start-up system, and application software start-up method202010,735,801Broadcast receiving apparatus for receiving program contents based on location information202010,555,042Mobile terminal and video display apparatus202010,542,224Imaging device and image processing method202010,542,232Video display apparatus and terminal apparatus202010,425,681Broadcast receiving device201910,423,769Information processing device, application software start-up system, and application software start-up method201910,404,848Terminal device and remote control method201910,375,341Video display apparatus and terminal apparatus201910,306,295Broadcast receiving apparatus for receiving program contents based on location information201910,264,456Mobile terminal and control method thereof201910,212,586Mobile terminal and control method thereof201910,048,387Terminal device and elevation value acquisition method20189,990,109Information display terminal20189,942,483Information processing device and method using display for auxiliary light20189,930,397'Broadcast receiving device'20189,924,124'Video display apparatus and terminal apparatus'20189,815,502'Operator\'s compartment of work machine, and work machine'20179,721,462'Terminal device and remote control method'20179,704,389'Terminal device and remote control method'20179,406,344'Optical information recording/reproduction device, and optical information recording/reproduction method'20169,208,035'Optical information recording and reproducing apparatus, optical information recording and reproducing method, and data library apparatus'20158,483,025'Data recording and reproducing apparatus and data library device'20138,185,793'Data reproducing apparatus'20127,123,488'DC/DC converter including a Zener diode having a substantially zero temperature coefficient'2006D0517985'Adapter'20066,404,979'Optical disk and optical disk reproduction apparatus'20026,347,353'Information medium having digital signals recorded thereon'2002D0452842'Adapter'20026,332,174'Digital signal reproducing apparatus'20016,324,618'Optical disk reproducing apparatus'20016,314,542'Information recording method, reproducing method, and reproducing apparatus'20016,308,003'Method of recording image data and method of reproducing information from optical disk'20016,295,596'Data reproducing apparatus'20016,233,649'Digital signal reproducing method'20016,218,341'Process for the preparation of a high temperature superconductor'20016,154,806'Method for recording digital signals on multiple-layered disks'20006,092,232'Disk data reproducing apparatus and disk data reproducing method'20006,076,135'Information medium having a plurality of recording surfaces'20006,076,184'Information recording method, reproducing method, and reproducing apparatus'20006,009,237'Optical disk and optical disk reproduction apparatus'19996,002,834'Optical disk having table relating sector address and time and optical disk reproducing apparatus'19995,983,387'Information recording method, reproducing method, and reproducing apparatus'19995,974,581'Information recording method, reproducing method, and reproducing apparatus'19995,966,721'Digital signal recording method and disk reproducing apparatus'19995,768,298'Information recording method, reproducing method and reproducing apparatus'19985,726,875'AC-DC adapter'19985,344,779'Method for production of standard oxide sample for X-ray fluorescence spectrometry'19945,112,783'Conductive copper oxide ceramics and process for producing same'19924,951,275'Apparatus for tracking optical disk'1990

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990–2012Patents assigned to HITACHI LTD (20)· patent assignee history
1990–2019Based in Yokohama, JP· patent location history
1992–2001Patents assigned to AGENCY IND SCIENCE TECHN (3)· patent assignee history
1992–2021Based in Ibaraki, JP· patent location history
1998–2006Patents assigned to MITSUMI ELECTRIC CO LTD (4)· patent assignee history
1998–2006Based in Fukuoka, JP· patent location history
2017–2018Patents assigned to HITACHI MAXELL (7)· patent assignee history
2017–2018Based in Osaka, JP· patent location history
2018–2021Patents assigned to MAXELL LTD (15)· patent assignee history
2019–2020Based in Kyoto, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD201990–2012
MAXELL LTD152018–2021
HITACHI MAXELL72017–2018
MITSUMI ELECTRIC CO LTD41998–2006
AGENCY IND SCIENCE TECHN31992–2001
Locations
LocationPatentsSpan
Yokohama, JP241990–2019
Ibaraki, JP121992–2021
Kyoto, JP52019–2020
Fukuoka, JP31998–2006
Osaka, JP22017–2018