Inventor

Tatsuo Sawada

Inventor

Tokyo, JP

Overview

1976–2021

Patent span

Electricity

Primary field (CPC H)

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 transducer15%

H03DDemodulation or transference of modulation from one carrier to another15%

H04MTelephonic communication15%

H04SStereophonic systems15%

D05BSewing8%

G11CStatic stores8%

H01QAntennas, i.e. radio aerials8%

H04BTransmission8%

H05KPrinted circuits8%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1976–1978Patents assigned to VICTOR COMPANY OF JAPAN (2)· patent assignee history

1976–1978Based in Sagamihara, JP· patent location history

2014–2015Patents assigned to SAWADA TATSUO (2)· patent assignee history

2014–2021Based in Tokyo, JP· patent location history

2015–2016Patents assigned to PANASONIC IP MAN CO LTD (2)· patent assignee history

2015Based in Fukuoka, JP· patent location history

2016Patents assigned to PANASONIC CORP (1)· patent assignee history

2016Based in Osaka, JP· patent location history

2021Patents assigned to JANOME SEWING MACHINE CO LTD (1)· patent assignee history

Assignee and location history derived from the patent record.

Assignees

Locations