Inventor
Hisao Itow
Inventor
Hitachi, JP
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C22Cprimary
C22CAlloys17%
G21CNuclear reactors17%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution17%
B23KSoldering or unsoldering8%
C22FChanging the physical structure of non-ferrous metals and non-ferrous alloys8%
C23GCleaning or de-greasing of metallic material by chemical methods other than electrolysis8%
F16LPipes8%
G21FProtection against x-radiation, gamma radiation, corpuscular radiation or particle bombardment8%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%
PatentTitleYear
4,979,995'Member made of nickel base alloy having high resistance to stress corrosion cracking and method of producing same'19904,940,564'Suppression of deposition of radioactive substances in boiling water type, nuclear power plant'19904,927,598'Radioactivity reduction method of a nuclear power plant and a nuclear power plant reduced in radioactivity'19904,514,270'Process for regenerating cleaning fluid'19854,512,820'In-pile parts for nuclear reactor and method of heat treatment therefor'19854,348,041'Butt welded tubular structure of austenite stainless steel'1982Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1982–1990Patents assigned to HITACHI LTD (6)· patent assignee history
1982–1990Based in Hitachi, JP· patent location history
1990Patents assigned to HITACHI ENG CO LTD (1)· patent assignee history
1990Patents assigned to HITACHI METALS LTD (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI LTD | 6 | 1982–1990 |
| HITACHI ENG CO LTD | 1 | 1990 |
| HITACHI METALS LTD | 1 | 1990 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hitachi, JP | 6 | 1982–1990 |