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Inventor

Toshiya Murakami

Inventor
Kanagawa, JP

Overview

4→
Patents
1998–2020
Patent span
Electricity
Primary field (CPC H)

Patents· 4 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 transducer25%
H03GControl of amplification25%
H01LSemiconductor devices13%
H03FAmplifiers13%
H10BElectronic memory devices13%
H10NElectric solid-state devices not otherwise provided for13%
PatentTitleYear
10,644,068Memory device20208,223,619'Optical recording medium, reproduction apparatus, and tracking servo method'20126,141,425'Sound quality adjustment circuit'20005,805,559'Optical recording or reproducing apparatus'1998

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998–2012Patents assigned to SONY CORP (3)· patent assignee history
1998–2012Based in Kanagawa, JP· patent location history
2012Patents assigned to MOROTOMI SHIRO (1)· patent assignee history
2012Patents assigned to MURAKAMI TOSHIYA (1)· patent assignee history
2012Patents assigned to SHIOURA KUNIHIRO (1)· patent assignee history
2012Patents assigned to TOBITA MINORU (1)· patent assignee history
2020Based in Yokkaichi, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SONY CORP31998–2012
MOROTOMI SHIRO12012
MURAKAMI TOSHIYAself12012
SHIOURA KUNIHIRO12012
TOBITA MINORU12012
Locations
LocationPatentsSpan
Kanagawa, JP31998–2012
Yokkaichi, JP12020