Inventor

Shigeo Sugimoto

Inventor
Ibaraki, JP

Overview

19→
Patents
1978–1995
Patent span
General tagging of new technological developments
Primary field (CPC Y)

Patents· 19 as inventor

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

F25Bprimary
F25BRefrigeration machines, plants or systems22%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications16%
Y02ATechnologies for adaptation to climate change14%
F28FDetails of heat-exchange and heat-transfer apparatus, of general application12%
Y10TTechnical subjects covered by former us classification10%
B21CManufacture of metal sheets, wire, rods, tubes, profiles or like semi-manufactured products otherwise than by rolling6%
F04DNon-positive-displacement pumps4%
B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material2%
B21JForging2%
B23PMetal-working not otherwise provided for2%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978–1995Patents assigned to HITACHI LTD (18)· patent assignee history
1978–1989Based in Ibaraki, JP· patent location history
1987–1989Patents assigned to HITACHI CABLE (4)· patent assignee history
1988–1995Based in Ushiku, JP· patent location history
1989Patents assigned to OSAKA GAS CO LTD (1)· patent assignee history
1989Patents assigned to TOHO GAS KK (1)· patent assignee history
1990Based in Ushikumachi, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD181978–1995
HITACHI CABLE41987–1989
OSAKA GAS CO LTD11989
TOHO GAS KK11989
Locations
LocationPatentsSpan
Ibaraki, JP141978–1989
Ushiku, JP41988–1995
Ushikumachi, JP11990