Inventor

Toshikazu Kawashima

Inventor

Osaka, JP

Overview

2000–2018

Patent span

Electricity

Primary field (CPC H)

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

H05Bprimary

H05BElectric heating40%

Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications27%

A61NElectrotherapy7%

F21VFunctional features or details of lighting devices or systems thereof7%

G01SRadio direction-finding7%

H04LTransmission of digital information, e.g. telegraphic communication7%

H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers7%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

2000Patents assigned to MATSUSHITA ELECTRIC WORKS LTD (1)· patent assignee history

2000Based in Shijonawate, JP· patent location history

2011–2018Based in Osaka, JP· patent location history

2012–2015Patents assigned to PANASONIC CORP (3)· patent assignee history

2012Patents assigned to EJIRI YUICHI (1)· patent assignee history

2012Patents assigned to KAWASHIMA TOSHIKAZU (1)· patent assignee history

2012Based in Kadoma, JP· patent location history

2015–2018Patents assigned to PANASONIC IP MAN CO LTD (3)· patent assignee history

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
PANASONIC CORP	3	2012–2015
PANASONIC IP MAN CO LTD	3	2015–2018
EJIRI YUICHI	1	2012
KAWASHIMA TOSHIKAZUself	1	2012
MATSUSHITA ELECTRIC WORKS LTD	1	2000

Locations