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Inventor

Tetsuo Okuni

Inventor
Hitachi, JP

Overview

3→
Patents
1980–1982
Patent span
Performing operations
Primary field (CPC B)

Patents· 3 as inventor

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

B23Kprimary
B23KSoldering or unsoldering50%
F03BMachines or engines for liquids17%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution17%
Y02PClimate change mitigation technologies in the production or processing of goods17%
PatentTitleYear
4,326,580'Method of fabricating a structural member by electro slag forming'19824,228,336'Method of manufacturing stay ring for water turbine and pump turbine'19804,208,564'Nozzle structure of electroslag welding machines'1980

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1980–1982Patents assigned to HITACHI LTD (3)· patent assignee history
1980–1982Based in Hitachi, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD31980–1982
Locations
LocationPatentsSpan
Hitachi, JP31980–1982