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Inventor

Sadayuki Nakanishi

Inventor
Hyogo, JP

Overview

5→
Patents
1980–2000
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.

F16Kprimary
F16KValves45%
Y10TTechnical subjects covered by former us classification27%
F15BSystems acting by means of fluids in general9%
F17DPipe-line systems9%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests9%
PatentTitleYear
6,029,693'Valve driving apparatus'20005,797,583'Valve driving apparatus'19984,673,164'Sealing mechanism for a ball valve'19874,228,988'Valve'19804,226,258'Ball valve'1980

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1980–1987Patents assigned to KOBE STEEL LTD (3)· patent assignee history
1980Based in Kobe, JP· patent location history
1987–2000Based in Hyogo, JP· patent location history
1998–2000Patents assigned to KITZ CORP (2)· patent assignee history
1998Based in Itami, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KOBE STEEL LTD31980–1987
KITZ CORP21998–2000
Locations
LocationPatentsSpan
Hyogo, JP21987–2000
Kobe, JP21980
Itami, JP11998