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Inventor

Katsumasa Haikawa

Inventor
Suwa, JP

Overview

13→
Patents
1991–2003
Patent span
Physics
Primary field (CPC G)

Patents· 13 as inventor

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

G21Cprimary
G21CNuclear reactors48%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution48%
G21FProtection against x-radiation, gamma radiation, corpuscular radiation or particle bombardment4%
PatentTitleYear
6,516,043'Fuel assembly and reactor core and fuel spacer and channel box'20036,510,192'Boiling water type nuclear reactor core and operation method thereof'20036,504,889'Method of operating reactor'20036,205,196'Boiling water type nuclear reactor core and operation method thereof'20016,141,396'Initial loading core'20006,005,905'Initial core'19995,787,139'Fuel loading method'19985,781,604'Initial core and fuel assembly'19985,631,939'Initial core of nuclear power plant'19975,544,211'Nuclear fuel assembly and nuclear reactor incorporating the same'19965,388,132'Nuclear fuel assembly and core'19955,198,186'Fuel assembly for nuclear reactor'19934,986,958'Fuel assembly'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991–2003Patents assigned to HITACHI LTD (13)· patent assignee history
1991–1993Based in Hitachi, JP· patent location history
1993–1996Patents assigned to GEN ELECTRIC (2)· patent assignee history
1993Patents assigned to TOSHIBA KAWASAKI KK (1)· patent assignee history
1995–1996Based in Ibaraki, JP· patent location history
1996Patents assigned to TOSHIBA KK (1)· patent assignee history
1997–2003Based in Suwa, JP· patent location history
1998–2003Patents assigned to HITACHI ENG CO LTD (2)· patent assignee history
1998Based in Jyuou, JP· patent location history
2001Based in Juo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD131991–2003
GEN ELECTRIC21993–1996
HITACHI ENG CO LTD21998–2003
TOSHIBA KAWASAKI KK11993
TOSHIBA KK11996
Locations
LocationPatentsSpan
Suwa, JP71997–2003
Ibaraki, JP21995–1996
Hitachi, JP21991–1993
Juo, JP12001
Jyuou, JP11998