Inventor
Masayuki Izumi
Inventor
Hitachi, JP
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
Y02Eprimary
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution33%
G21CNuclear reactors17%
G21DNuclear power plant17%
B08BCleaning in general8%
B44CProducing decorative effects8%
E04FFinishing work on buildings, e.g. stairs, floors8%
G21FProtection against x-radiation, gamma radiation, corpuscular radiation or particle bombardment8%
PatentTitleYear
4,806,277'Decontaminating solid surfaces'19894,638,618'Decorative panels comprising replaceable decorative sheets'19874,472,345'Load control system for nuclear power plant'19844,400,343'System and method for controlling operation of boiling water reactor'19834,368,171'Method of controlling operation of nuclear reactor'19834,248,667'Method of operating nuclear reactors'1981Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1981–1989Patents assigned to HITACHI LTD (5)· patent assignee history
1981–1989Based in Hitachi, JP· patent location history
1987Patents assigned to INAX CORP (1)· patent assignee history
1987Patents assigned to JAPAN ALPHA CORP (1)· patent assignee history
1987Based in Setagaya, JP· patent location history
1989Patents assigned to HITACHI ENG CO LTD (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI LTD | 5 | 1981–1989 |
| HITACHI ENG CO LTD | 1 | 1989 |
| INAX CORP | 1 | 1987 |
| JAPAN ALPHA CORP | 1 | 1987 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hitachi, JP | 5 | 1981–1989 |
| Setagaya, JP | 1 | 1987 |