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Inventor

Katsuya Shirai

Inventor
Tokyo, JP

Overview

5→
Patents
2004–2013
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 5 as inventor

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

F04Bprimary
F04BPositive-displacement machines for liquids50%
F16KValves20%
Y10TTechnical subjects covered by former us classification20%
F05CIndexing scheme relating to materials, material properties or material characteristics for machines, engines or pumps other than non-positive-displacement machines or engines10%
PatentTitleYear
8,387,947'Capacity control valve'20138,128,061'Capacity control valve'20127,533,687'Capacity control valve'20097,077,380'Capacity control drive'20066,772,990'Capacity control valve'2004

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2004–2013Patents assigned to EAGLE IND CO LTD (4)· patent assignee history
2004–2006Based in Takahashi-shi, JP· patent location history
2006–2009Patents assigned to SANDEN CORP (2)· patent assignee history
2009–2013Based in Tokyo, JP· patent location history
2012–2013Patents assigned to IWA TOSHIAKI (2)· patent assignee history
2012–2013Patents assigned to SHIRAFUJI KEIGO (2)· patent assignee history
2012–2013Patents assigned to SHIRAI KATSUYA (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
EAGLE IND CO LTD42004–2013
IWA TOSHIAKI22012–2013
SANDEN CORP22006–2009
SHIRAFUJI KEIGO22012–2013
SHIRAI KATSUYAself22012–2013
Locations
LocationPatentsSpan
Tokyo, JP32009–2013
Takahashi-shi, JP22004–2006