Inventor

Futoshi Watanabe

Inventor

Tokyo, JP

Overview

2000–2021

Patent span

Mechanical engineering

Primary field (CPC F)

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

F28Fprimary

F28FDetails of heat-exchange and heat-transfer apparatus, of general application23%

F25BRefrigeration machines, plants or systems15%

F28DHeat-exchange apparatus, not provided for in another subclass, in which the heat-exchange media do not come into direct contact15%

G06FElectric digital data processing15%

A61BDiagnosis8%

B23KSoldering or unsoldering8%

E03BInstallations or methods for obtaining, collecting, or distributing water8%

H04LTransmission of digital information, e.g. telegraphic communication8%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

2000Patents assigned to NIPPON PAINT CO LTD (1)· patent assignee history

2000Patents assigned to SHOWA ALUMINUM CORP (1)· patent assignee history

2000–2006Based in Oyama, JP· patent location history

2004–2018Patents assigned to FUJITSU LTD (3)· patent assignee history

2004–2018Based in Kawasaki, JP· patent location history

2005–2006Patents assigned to SHOWA DENKO KK (2)· patent assignee history

2005–2021Based in Tokyo, JP· patent location history

2010Based in Kanagawa, JP· patent location history

2021Patents assigned to HITACHI LTD (1)· patent assignee history

Assignee and location history derived from the patent record.

Assignees

Locations