Inventor

Akira Tsutsumi

Inventor

Tochigi, JP

Overview

1983–2010

Patent span

Electricity

Primary field (CPC H)

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

H05Kprimary

H05KPrinted circuits26%

B23KSoldering or unsoldering18%

LOC2312%

F24HFluid heaters, e.g. water or air heaters, having heat-generating means, e.g. heat pumps, in general6%

F28DHeat-exchange apparatus, not provided for in another subclass, in which the heat-exchange media do not come into direct contact6%

Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications6%

B08BCleaning in general3%

F28FDetails of heat-exchange and heat-transfer apparatus, of general application3%

G01BMeasuring length, thickness or similar linear dimensions3%

G02BOptical elements, systems or apparatus3%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1983–1985Patents assigned to AMADA ENG & SERVICE (4)· patent assignee history

1983–1985Based in La Mirada, CA, US· patent location history

1984–1985Patents assigned to AMADA CO LTD (2)· patent assignee history

1987Patents assigned to SONY CORP (1)· patent assignee history

1987–2003Based in Tochigi, JP· patent location history

2001–2005Patents assigned to SONY CHEMICALS CORP (8)· patent assignee history

2002–2005Based in Kanuma, JP· patent location history

2008–2010Patents assigned to NORITZ CORP (6)· patent assignee history

2008–2010Based in Himeji, JP· patent location history

2008Based in Hyogo, JP· patent location history

Assignee and location history derived from the patent record.

Assignees

Locations