Inventor
Ryuzo Watanabe
Inventor
Miyagi, JP
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B22Fprimary
B22FWorking metallic powder38%
F02KJet-propulsion plants25%
Y10TTechnical subjects covered by former us classification13%
C23CCoating metallic material6%
F05DIndexing scheme for aspects relating to non-positive-displacement machines or engines, gas-turbines or jet-propulsion plants6%
Y02TClimate change mitigation technologies related to transportation6%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%
PatentTitleYear
4,751,099'Method of producing a functionally gradient material'19884,703,620'Rocket combustion chamber cooling wall of composite cooling type and method of manufacturing the same'19874,584,171'Method of producing rocket combustors'19864,582,678'Method of producing rocket combustors'19864,508,680'Method of manufacturing a rocket combustion chamber'19854,428,778'Process for producing metallic chromium plates and sheets'1984Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1984–1987Based in Sendai, JP· patent location history
1985–1988Patents assigned to NAT AEROSPACE LAB (5)· patent assignee history
1986–1988Patents assigned to SUMITOMO ELECTRIC INDUSTRIES (3)· patent assignee history
1986–1988Patents assigned to WATANABE RYUZO (3)· patent assignee history
1986Patents assigned to MASUDA YOSHIMICHI (2)· patent assignee history
1986Patents assigned to TAKEKAWA JUNJIRO (2)· patent assignee history
1986–1988Based in Miyagi, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NAT AEROSPACE LAB | 5 | 1985–1988 |
| SUMITOMO ELECTRIC INDUSTRIES | 3 | 1986–1988 |
| WATANABE RYUZOself | 3 | 1986–1988 |
| MASUDA YOSHIMICHI | 2 | 1986 |
| TAKEKAWA JUNJIRO | 2 | 1986 |
Locations
| Location | Patents | Span |
|---|---|---|
| Miyagi, JP | 3 | 1986–1988 |
| Sendai, JP | 3 | 1984–1987 |