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Inventor

Yoshiyuki Hoshino

Inventor
Hitachi, JP

Overview

2→
Patents
1984–1990
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 2 as inventor

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

F22Dprimary
F22DPreheating, or accumulating preheated, feed-water for steam generation25%
B03CMagnetic or electrostatic separation of solid materials from solid materials or fluids13%
C02FTreatment of water, waste water, sewage, or sludge13%
F28BSteam or vapour condensers13%
F28DHeat-exchange apparatus, not provided for in another subclass, in which the heat-exchange media do not come into direct contact13%
F28FDetails of heat-exchange and heat-transfer apparatus, of general application13%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests13%
PatentTitleYear
4,941,973'Apparatus for removing iron oxides from water in feed water system of a power plant'19904,461,346'Feedwater heater'1984

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1984–1990Patents assigned to HITACHI LTD (2)· patent assignee history
1984–1990Based in Hitachi, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD21984–1990
Locations
LocationPatentsSpan
Hitachi, JP21984–1990