Inventor
Taishi Moroishi
Inventor
Kobe, JP
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C22Cprimary
C22CAlloys57%
E21BEarth or rock drilling29%
C21DModifying the physical structure of ferrous metals7%
F28FDetails of heat-exchange and heat-transfer apparatus, of general application7%
PatentTitleYear
4,530,720'High temperature oxidation resistant austenitic steel'19854,421,571'Process for making high strength deep well casing and tubing having improved resistance to stress-corrosion cracking'19834,400,209'Alloy for making high strength deep well casing and tubing having improved resistance to stress-corrosion cracking'19834,400,210'Alloy for making high strength deep well casing and tubing having improved resistance to stress-corrosion cracking'19834,400,349'Alloy for making high strength deep well casing and tubing having improved resistance to stress-corrosion cracking'19834,400,211'Alloy for making high strength deep well casing and tubing having improved resistance to stress-corrosion cracking'19834,360,381'Ferritic stainless steel having good corrosion resistance'19824,140,526'Ferritic stainless steel having improved weldability and oxidation resistance'1979Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1979–1985Patents assigned to SUMITOMO METAL IND (8)· patent assignee history
1979Based in Amagasaki, JP· patent location history
1982–1985Based in Kobe, JP· patent location history
1985Patents assigned to NIPPON STAINLESS STEEL CO (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SUMITOMO METAL IND | 8 | 1979–1985 |
| NIPPON STAINLESS STEEL CO | 1 | 1985 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kobe, JP | 7 | 1982–1985 |
| Amagasaki, JP | 1 | 1979 |