LexDanaLexDanabeta
Inventor

Tatsuaki Shimizu

Inventor
Shizuoka, JP

Overview

3→
Patents
1994–1996
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.

F04Cprimary
F04CRotary-piston, or oscillating-piston, positive-displacement machines for liquids25%
C09KMaterials for miscellaneous applications, not provided for elsewhere17%
C10MLubricating compositions17%
F04BPositive-displacement machines for liquids17%
F25BRefrigeration machines, plants or systems17%
C10NIndexing scheme associated with subclass c10m relating to lubricating compositions8%
PatentTitleYear
5,531,080'Refrigerant circulating system'19965,419,144'Refrigeration device using hydrofluorocarbon refrigerant'19955,355,695'Refrigeration device using hydrofluorocarbon refrigerant'1994

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1994–1996Patents assigned to MITSUBISHI ELECTRIC CORP (3)· patent assignee history
1994–1996Based in Shizuoka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MITSUBISHI ELECTRIC CORP31994–1996
Locations
LocationPatentsSpan
Shizuoka, JP31994–1996