Inventor

Yoshikiyo Nagasaka

Inventor

Konan, JP

Overview

1989–1997

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 application38%

F28DHeat-exchange apparatus, not provided for in another subclass, in which the heat-exchange media do not come into direct contact33%

F25BRefrigeration machines, plants or systems13%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%

B60HArrangements of heating, cooling, ventilating or other air-treating devices specially adapted for passenger or goods spaces of vehicles4%

Y10TTechnical subjects covered by former us classification4%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1989Patents assigned to DIESEL KIKI CO (1)· patent assignee history

1989–1993Based in Konan, JP· patent location history

1992–1993Patents assigned to ZEXEL CORP (7)· patent assignee history

1993–1997Based in Saitama, JP· patent location history

1993Based in Kohnan, JP· patent location history

1997Patents assigned to ZEXEL USA CORP (1)· patent assignee history

Assignee and location history derived from the patent record.

Assignees

Locations