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Inventor

Chishiro Yamashina

Inventor
Kanagawa, JP

Overview

6→
Patents
1997–2006
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 6 as inventor

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

Y10Tprimary
Y10TTechnical subjects covered by former us classification25%
F01CRotary-piston or oscillating-piston machines or engines17%
F04CRotary-piston, or oscillating-piston, positive-displacement machines for liquids17%
F15BSystems acting by means of fluids in general17%
A23BPreservation of foods, foodstuffs or non-alcoholic beverages8%
B23QDetails, components, or accessories for machine tools, e.g. arrangements for copying or controlling8%
F16KValves8%
PatentTitleYear
7,056,107'Vane type rotary machine'20066,889,730'Hydraulic drive system'20056,659,121'Solenoid and hydraulic control valve'20036,629,829'Vane type rotary machine'20036,453,773'Elevation and index apparatus of water hydraulic driven type'20025,697,401'Hydraulic servovalve'1997

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1997–2006Patents assigned to EBARA CORP (6)· patent assignee history
1997–2003Based in Fujisawa, JP· patent location history
2002Patents assigned to MAEKAWA SEISAKUSHO KK (1)· patent assignee history
2002–2006Based in Kanagawa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
EBARA CORP61997–2006
MAEKAWA SEISAKUSHO KK12002
Locations
LocationPatentsSpan
Kanagawa, JP42002–2006
Fujisawa, JP21997–2003