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Inventor

Masateru Yamamuro

Inventor
Atsugi, JP

Overview

4→
Patents
1996–2000
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 4 as inventor

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

F04Bprimary
F04BPositive-displacement machines for liquids75%
F04CRotary-piston, or oscillating-piston, positive-displacement machines for liquids25%
PatentTitleYear
6,139,285'Hydraulic pump for power steering system'20005,613,840'Pump including a control valve and sealing member'19975,595,478'Pump and control valve with annular sealing member to prevent corrosion'19975,540,566'Pump including a control valve'1996

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1996Patents assigned to UNISTA JECS CORP (1)· patent assignee history
1996–1997Based in Atsugi, JP· patent location history
1997–2000Patents assigned to UNISIA JECS CORP (3)· patent assignee history
2000Based in Kanagawa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
UNISIA JECS CORP31997–2000
UNISTA JECS CORP11996
Locations
LocationPatentsSpan
Atsugi, JP31996–1997
Kanagawa, JP12000