LexDanaLexDanabeta
Inventor

Ryosuke Koshizaka

Inventor
Kariya, JP

Overview

4→
Patents
2003–2008
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.

F04Cprimary
F04CRotary-piston, or oscillating-piston, positive-displacement machines for liquids40%
F04BPositive-displacement machines for liquids20%
F04DNon-positive-displacement pumps20%
F16CShafts10%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1010%
PatentTitleYear
7,458,790'Vacuum pump with improved oil lubrication'20087,364,414'Fluid pump system'20087,140,846'Vacuum pump having main and sub pumps'20066,663,367'Shaft seal structure of vacuum pumps'2003

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2003–2008Patents assigned to TOYOTA JIDOSHOKKI KK (4)· patent assignee history
2003–2008Based in Kariya, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TOYOTA JIDOSHOKKI KK42003–2008
Locations
LocationPatentsSpan
Kariya, JP42003–2008