Inventor

Tsuyoshi Umemoto

Inventor

Yamato, JP

Overview

1999–2017

Patent span

Electricity

Primary field (CPC H)

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

H01Jprimary

H01JElectric discharge tubes or discharge lamps31%

G01RMeasuring electric variables15%

H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems15%

H01FMagnets8%

H04NPictorial communication, e.g. television8%

H05BElectric heating8%

H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h108%

Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications8%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1999Patents assigned to HITACHI LTD (1)· patent assignee history

1999Based in Hikari, JP· patent location history

2002–2017Patents assigned to MURATA MANUFACTURING CO (3)· patent assignee history

2002Based in Shiga, JP· patent location history

2003–2006Patents assigned to HITACHI HIGH TECH CORP (3)· patent assignee history

2003–2006Based in Yamato, JP· patent location history

2004Based in Kyoto, JP· patent location history

2017Based in Nagaokakyo, JP· patent location history

Assignee and location history derived from the patent record.

Assignees

Locations