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Inventor

Kagehiko Yamamoto

Inventor
Hitachi, JP

Overview

1→
Patents
1979
Patent span
General tagging of new technological developments
Primary field (CPC Y)

Patents· 1 as inventor

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

F03Bprimary
F03BMachines or engines for liquids33%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution33%
Y10TTechnical subjects covered by former us classification33%
PatentTitleYear
4,134,530'Method for construction of water intake portion of hydraulic machine'1979

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1979Patents assigned to HITACHI LTD (1)· patent assignee history
1979Based in Hitachi, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD11979
Locations
LocationPatentsSpan
Hitachi, JP11979