Inventor

Shigeo Marugasa

Inventor
Oyama, JP

Overview

3→
Patents
2005–2007
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 3 as inventor

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

F28Dprimary
F28DHeat-exchange apparatus, not provided for in another subclass, in which the heat-exchange media do not come into direct contact27%
B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material18%
F28FDetails of heat-exchange and heat-transfer apparatus, of general application18%
Y10TTechnical subjects covered by former us classification18%
F25BRefrigeration machines, plants or systems9%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h109%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2005–2007Patents assigned to SHOWA DENKO KK (3)· patent assignee history
2005–2007Based in Oyama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SHOWA DENKO KK32005–2007
Locations
LocationPatentsSpan
Oyama, JP32005–2007