Inventor

Yoko Ishida

Inventor
Tokyo, JP

Overview

2→
Patents
1994–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 2 as inventor

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

G06Fprimary
G06FElectric digital data processing20%
G11BInformation storage based on relative movement between record carrier and transducer20%
H04BTransmission20%
H04LTransmission of digital information, e.g. telegraphic communication20%
H05KPrinted circuits20%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1994Patents assigned to MATSUSHITA ELECTRIC WORKS LTD (1)· patent assignee history
1994Based in Kadoma, JP· patent location history
2021Patents assigned to HITACHI LTD (1)· patent assignee history
2021Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD12021
MATSUSHITA ELECTRIC WORKS LTD11994
Locations
LocationPatentsSpan
Tokyo, JP12021
Kadoma, JP11994