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Inventor

Kazuhiro Niwa

Inventor
Yokohama, JP

Overview

3→
Patents
1987–2010
Patent span
Physics
Primary field (CPC G)

Patents· 3 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 transducer67%
G01NInvestigating or analysing materials by determining their chemical or physical properties33%
PatentTitleYear
7,662,612'Chemical sensor device'20104,758,916'Multi-head transducer assembly for helical scan video tape recorders'19884,652,955'Multi-head transducer assembly for helical scan video tape recorders'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987–1988Patents assigned to VICTOR COMPANY OF JAPAN (2)· patent assignee history
1987–1988Based in Yokohama, JP· patent location history
2010Patents assigned to PANASONIC CORP (1)· patent assignee history
2010Based in Kasugai, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
VICTOR COMPANY OF JAPAN21987–1988
PANASONIC CORP12010
Locations
LocationPatentsSpan
Yokohama, JP21987–1988
Kasugai, JP12010