Inventor

Kiyoshi Hiramatsu

Inventor

Nagaokakyo, JP

Overview

3→

Patents

1993–2016

Patent span

Electricity

Primary field (CPC H)

Patents· 3 as inventor

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

H01Fprimary

H01FMagnets40%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein20%

G11BInformation storage based on relative movement between record carrier and transducer20%

H05BElectric heating20%

PatentTitleYear

9,299,491'Transformer coil'2016 7,683,555'Discharge tube lighting circuit and electronic apparatus provided with the discharge tube lighting circuit'2010 5,255,134'Auto-tracking system for magnetic recording/reproducing apparatus'1993

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993Patents assigned to HITACHI LTD (1)· patent assignee history

1993Based in Ibaraki, JP· patent location history

2010–2016Patents assigned to MURATA MANUFACTURING CO (2)· patent assignee history

2010–2016Based in Nagaokakyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
MURATA MANUFACTURING CO	2	2010–2016
HITACHI LTD	1	1993

Locations

Location	Patents	Span
Nagaokakyo, JP	2	2010–2016
Ibaraki, JP	1	1993