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Inventor

Satoru Masuyama

Inventor
Odawara, JP

Overview

6→
Patents
2003–2007
Patent span
Electricity
Primary field (CPC H)

Patents· 6 as inventor

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

H02Jprimary
H02JElectric power networks50%
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 systems25%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications25%
PatentTitleYear
7,157,810'Backup power supply'20077,053,502'Power supply with uninterruptible function'20066,977,448'Backup power supply'20056,795,322'Power supply with uninterruptible function'20046,643,152'DC power supply device'20036,507,507'DC power supply device'2003

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2003–2007Patents assigned to HITACHI COMP PERIPHERALS CO (6)· patent assignee history
2003–2004Patents assigned to HITACHI LTD (3)· patent assignee history
2003Patents assigned to HITACHI TOBU SEMICONDUCTOR LTD (2)· patent assignee history
2003–2007Based in Odawara, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI COMP PERIPHERALS CO62003–2007
HITACHI LTD32003–2004
HITACHI TOBU SEMICONDUCTOR LTD22003
Locations
LocationPatentsSpan
Odawara, JP62003–2007