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Inventor

Hirozo Takegawa

Inventor
Sakai, JP

Overview

6→
Patents
1992–1997
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 6 as inventor

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

F24Fprimary
F24FAir-conditioning36%
G05DSystems for controlling or regulating non-electric variables27%
C23CCoating metallic material18%
F25BRefrigeration machines, plants or systems9%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications9%
PatentTitleYear
5,678,758'Temperature control device of a heating or cooling apparatus for saving energy'19975,477,698'Air conditioner'19955,267,450'Air conditioning apparatus'19935,132,506'Vacuum evaporation apparatus and method for making vacuum evaporated sheet'19925,129,233'Automatic operation control system for air conditioner'19925,098,742'Method for supplying vacuum evaporation material'1992

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992–1997Patents assigned to MATSUSHITA ELECTRIC INDUSTRIAL CO LTD (6)· patent assignee history
1992–1997Based in Sakai, JP· patent location history
1992Based in Osaka, JP· patent location history
1993Patents assigned to MATSUSHITA SEIKO KK (1)· patent assignee history
1995Based in Hirakata, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD61992–1997
MATSUSHITA SEIKO KK11993
Locations
LocationPatentsSpan
Sakai, JP31992–1997
Osaka, JP21992
Hirakata, JP11995