Inventor
Yasuhiro Masuhara
Inventor
Katsuta, JP
Overview
14→
Patents
1987–2007
Patent span
General tagging of new technological developments
Primary field (CPC Y)
Patents· 14 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G21Cprimary
G21CNuclear reactors46%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution46%
F16LPipes4%
Y10TTechnical subjects covered by former us classification4%
PatentTitleYear
7,215,729'Fuel assembly and nuclear reactor'20076,847,695'Nuclear fuel assembly lower tie-plate and method of its assembling'20056,510,192'Boiling water type nuclear reactor core and operation method thereof'20036,278,757'Fuel assembly and nuclear reactor'20016,205,196'Boiling water type nuclear reactor core and operation method thereof'20015,432,829'Fuel assembly and reactor core'19955,272,741'Nuclear fuel assembly'19935,112,571'Fuel assembly and fuel spacer'19925,023,047'Nuclear reactor having an ascending cooling path much greater than the descending cooling path'19914,993,454'Piping branch structure'19914,926,450'Fuel assembly'19904,914,679'Fuel assembly'19904,734,249'Nuclear reactor start-up method'19884,663,116'Nuclear reactor'1987Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1987–2007Patents assigned to HITACHI LTD (13)· patent assignee history
1987–2007Based in Hitachi, JP· patent location history
1990–1995Based in Katsuta, JP· patent location history
2001–2003Based in Hitachinaka, JP· patent location history
2005Patents assigned to GLOBAL NUCLEAR FUEL JP CO LTD (1)· patent assignee history
2005Based in Kanagawa, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI LTD | 13 | 1987–2007 |
| GLOBAL NUCLEAR FUEL JP CO LTD | 1 | 2005 |
Locations
| Location | Patents | Span |
|---|---|---|
| Katsuta, JP | 6 | 1990–1995 |
| Hitachi, JP | 5 | 1987–2007 |
| Hitachinaka, JP | 2 | 2001–2003 |
| Kanagawa, JP | 1 | 2005 |