Inventor

Yuji Soga

Inventor
Oimachi, JP

Overview

9→
Patents
1997–2020
Patent span
Electricity
Primary field (CPC H)

Patents· 9 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 transducer33%
H01RElectrically-conductive connections17%
H04WWireless communication networks17%
H05KPrinted circuits17%
G01SRadio direction-finding6%
H03KPulse technique6%
H04LTransmission of digital information, e.g. telegraphic communication6%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1997Patents assigned to HITACHI COMPUTER ENG (1)· patent assignee history
1997–2020Based in Oimachi, JP· patent location history
2012Patents assigned to HITACHI GLOBAL STORAGE TECH NL (1)· patent assignee history
2012–2015Based in Kanagawa, JP· patent location history
2015–2019Patents assigned to AGOOP CORP (3)· patent assignee history
2015–2018Patents assigned to HGST Netherlands BV (3)· patent assignee history
2015Based in Ashigarakami-gun, JP· patent location history
2018–2020Patents assigned to WESTERN DIGITAL TECH INC (2)· patent assignee history
2018–2019Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
AGOOP CORP32015–2019
HGST Netherlands BV32015–2018
WESTERN DIGITAL TECH INC22018–2020
HITACHI COMPUTER ENG11997
HITACHI GLOBAL STORAGE TECH NL12012
Locations
LocationPatentsSpan
Oimachi, JP41997–2020
Tokyo, JP22018–2019
Kanagawa, JP22012–2015
Ashigarakami-gun, JP12015