Inventor

Hiroyuki Umemura

Inventor
Shizuoka, JP

Overview

14→
Patents
1987–1991
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 14 as inventor

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

F24Fprimary
F24FAir-conditioning40%
G05DSystems for controlling or regulating non-electric variables20%
F25BRefrigeration machines, plants or systems12%
F28FDetails of heat-exchange and heat-transfer apparatus, of general application8%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications8%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%
F25DRefrigerators4%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987–1991Patents assigned to MITSUBISHI ELECTRIC CORP (14)· patent assignee history
1987–1991Based in Shizuoka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MITSUBISHI ELECTRIC CORP141987–1991
Locations
LocationPatentsSpan
Shizuoka, JP141987–1991