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Inventor

Shigeru Itoi

Inventor
Osaka, JP

Overview

22→
Patents
1993–2012
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 22 as inventor

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

F16Kprimary
F16KValves33%
Y10TTechnical subjects covered by former us classification19%
F15BSystems acting by means of fluids in general13%
F16BDevices for fastening or securing constructional elements or machine parts together, e.g. nails, bolts, circlips, clamps, clips or wedges8%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%
F16LPipes6%
F16JPistons4%
C22CAlloys2%
C22FChanging the physical structure of non-ferrous metals and non-ferrous alloys2%
F17DPipe-line systems2%
PatentTitleYear
8,256,115'Method of making a fluid coupling'20128,083,267'Fluid coupling and method of designing the same'20117,802,771'Fluid control device'20107,175,157'Fluid controller'20077,004,199'Fluid control apparatus'2006D0513307'Joint member for fluid control apparatus'20056,779,774'Metal diaphragm valve'20046,453,707'Device for locking channel opening-closing handle of fluid controller'20026,361,081'Device for fixing lower members and fluid control apparatus incorporating same'20026,189,350'Device for locking channel opening-closing handle of fluid controller'20016,135,155'Fluid control device'20006,039,360'Couplings for fluid controllers'20005,983,933'Shutoff-opening device'19995,979,944'Device for fixing lower members and fluid control apparatus incorporating same'19995,820,105'Diaphragm valve'19985,771,919'Fluid controller'19985,769,110'Fluid control apparatus'19985,556,072'Controller'19965,516,075'Controller'19965,485,984'Diaphragm valve'19965,439,197'Flow rate control valve'19955,188,338'Fluid flow controller'1993

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993–1996Patents assigned to KYOHARA MASAKO (3)· patent assignee history
1993Based in Mie, JP· patent location history
1995–2012Based in Osaka, JP· patent location history
1996–2012Patents assigned to FUJIKIN KK (19)· patent assignee history
1999–2000Patents assigned to OHMI TADAHIRO (2)· patent assignee history
2011–2012Patents assigned to ITOI SHIGERU (2)· patent assignee history
2011–2012Patents assigned to OZAWA SUSUMU (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
FUJIKIN KK191996–2012
KYOHARA MASAKO31993–1996
ITOI SHIGERUself22011–2012
OHMI TADAHIRO21999–2000
OZAWA SUSUMU22011–2012
Locations
LocationPatentsSpan
Osaka, JP211995–2012
Mie, JP11993