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Inventor

Takahisa Hamaguchi

Inventor
Tokyo, JP

Overview

3→
Patents
2000–2005
Patent span
Electricity
Primary field (CPC H)

Patents· 3 as inventor

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

H05Bprimary
H05BElectric heating50%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests33%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications17%
PatentTitleYear
6,967,446'High pressure discharge lamp lighting apparatus and high pressure discharge lamp lighting method'20056,181,087'Discharge lamp operating device'20016,133,697'Dimming apparatus for fluorescent lamps'2000

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2000–2005Patents assigned to MITSUBISHI ELECTRIC CORP (3)· patent assignee history
2000Patents assigned to MITSUBISHI LIGHTING FIXTURE CO (1)· patent assignee history
2000–2005Based in Tokyo, JP· patent location history
2001Patents assigned to MITSUBISHI ELEC LIGHTING CORP (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MITSUBISHI ELECTRIC CORP32000–2005
MITSUBISHI ELEC LIGHTING CORP12001
MITSUBISHI LIGHTING FIXTURE CO12000
Locations
LocationPatentsSpan
Tokyo, JP32000–2005