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Inventor

Yutaka Imamura

Inventor
Tokyo, JP

Overview

7→
Patents
1999–2019
Patent span
Physics
Primary field (CPC G)

Patents· 7 as inventor

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

H01Qprimary
H01QAntennas, i.e. radio aerials50%
G11BInformation storage based on relative movement between record carrier and transducer38%
G01SRadio direction-finding13%
PatentTitleYear
10,468,761Low-profile antenna device20199,985,339Low-profile antenna device20189,183,871'Optical recording device, optical recording method and multi-layer disk'20157,184,379'Optical disk recording/reproducing method and apparatus in which recording properties of the disk are detected when recording speed is changed'20077,120,099'Laser output circuit for optical disk recording apparatus'20066,016,128'GPS wave antenna apparatus'20005,973,644'Planar antenna'1999

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1999–2019Patents assigned to HARADA IND CO LTD (4)· patent assignee history
1999–2000Based in Yokohama, JP· patent location history
2006–2007Patents assigned to SANYO ELECTRIC CO (2)· patent assignee history
2006Based in Gunma, JP· patent location history
2007Based in Tamamura, JP· patent location history
2015Patents assigned to TAIYO YUDEN KK (1)· patent assignee history
2015Based in Takasaki, JP· patent location history
2018–2019Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HARADA IND CO LTD41999–2019
SANYO ELECTRIC CO22006–2007
TAIYO YUDEN KK12015
Locations
LocationPatentsSpan
Tokyo, JP22018–2019
Yokohama, JP21999–2000
Takasaki, JP12015
Tamamura, JP12007
Gunma, JP12006