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Inventor

Shizuo Ando

Inventor
Kawagoe, JP

Overview

20→
Patents
1976–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 20 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 transducer35%
H04MTelephonic communication23%
A61KPreparations for medical, dental or toiletry purposes4%
A61LMethods or apparatus for sterilising materials or objects in general4%
C12NMicroorganisms or enzymes4%
G01NInvestigating or analysing materials by determining their chemical or physical properties4%
G10LSpeech analysis techniques or speech synthesis4%
H01JElectric discharge tubes or discharge lamps4%
H01LSemiconductor devices4%
H02HEmergency protective circuit arrangements4%
PatentTitleYear
10,973,854Methods for producing retinal tissue and retina-related cell202110,937,770Light-emitting device20214,900,951'Latch-up restoration circuit'19904,536,811'Cassette tape player having supply and take-up motors positioned vertically above a cassette receiving mechanism'19854,428,010'Drive mode switching device for magnetic tape recorder/reproducer'19844,400,744'Cassette tape player'19834,379,314'Cassette tape player'19834,377,829'Player for magnetic tape cartridge recordings'19834,369,474'Player for magnetic tape cartridge recordings'19834,368,494'Player for magnetic tape cartridge recordings'19834,344,098'Cassette tape player'19824,337,490'Cassette tape player'19824,134,032'Audio signal discriminator circuit'19794,117,272'Start circuit for telephone answering device'19784,092,496'Variable impedance detecting circuit for a telephone line auxiliary device'19784,065,698'Gas discharge display device including plurality of discharge panel units with intermediate light absorbing plates'19774,031,323'Remote controllable telephone answering device having a dual playback capability'19774,027,102'Voice versus pulsed tone signal discrimination circuit'19773,946,160'Telephone answering device with plural message recording tapes'19763,943,291'Automatic telephone answering apparatus'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1990Patents assigned to PIONEER ELECTRONIC CORP (17)· patent assignee history
1976–1984Based in Saitama, JP· patent location history
1977Patents assigned to FUJITSU LTD (1)· patent assignee history
1977–1990Based in Kawagoe, JP· patent location history
1977Based in Kobe, JP· patent location history
2021Patents assigned to RIKEN (1)· patent assignee history
2021Patents assigned to STANLEY ELECTRIC CO LTD (1)· patent assignee history
2021Patents assigned to SUMITOMO CHEMICAL CO (1)· patent assignee history
2021Based in Osaka, JP· patent location history
2021Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
PIONEER ELECTRONIC CORP171976–1990
FUJITSU LTD11977
RIKEN12021
STANLEY ELECTRIC CO LTD12021
SUMITOMO CHEMICAL CO12021
Locations
LocationPatentsSpan
Kawagoe, JP141977–1990
Saitama, JP21976–1984
Osaka, JP12021
Tokyo, JP12021
Kobe, JP11977