Inventor
Keiichi Ohmura
Inventor
Sagamihara, JP
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F01Nprimary
F01NGas-flow silencers or exhaust apparatus for machines or engines in general16%
Y10TTechnical subjects covered by former us classification16%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry14%
C22CAlloys14%
B01DSeparation8%
F02BInternal-combustion piston engines8%
Y02ATechnologies for adaptation to climate change8%
Y02TClimate change mitigation technologies related to transportation8%
C21DModifying the physical structure of ferrous metals5%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form3%
PatentTitleYear
5,427,634'Ferrite system stainless steel having excellent nacl-induced hot corrosion resistance and high temperature strength'19955,426,084'Highly heat-resistant metallic carrier for an automobile catalyst'19955,411,610'High-strength stainless steel foil for corrugating and process for producing the same'19955,405,460'Fe-Cr-Al alloy steel sheet and process for producing the same'19955,045,404'Heat-resistant stainless steel foil for catalyst-carrier of combustion exhaust gas purifiers'19914,918,042'Exhaust gas purifying catalyst'19904,870,046'Rolled high aluminum stainless steel foil for use as a substrate for a catalyst carrier'19894,867,811'Processes for production of metallic catalyst-carrier and catalytic component'19894,752,599'Method for producing a base of a catalyst carrier for automobile exhaust gas-purification'1988Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1988–1995Patents assigned to NIPPON STEEL CORP (9)· patent assignee history
1988–1991Patents assigned to NIPPON KINZOKU CO LTD (5)· patent assignee history
1988Based in Kanagawa, JP· patent location history
1989–1991Patents assigned to TOYOTA MOTOR CO LTD (4)· patent assignee history
1989–1995Based in Sagamihara, JP· patent location history
1995Based in Kitakyusyu, JP· patent location history
1995Based in Futtsu, JP· patent location history
1995Based in Kitakyushu, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NIPPON STEEL CORP | 9 | 1988–1995 |
| NIPPON KINZOKU CO LTD | 5 | 1988–1991 |
| TOYOTA MOTOR CO LTD | 4 | 1989–1991 |
Locations
| Location | Patents | Span |
|---|---|---|
| Sagamihara, JP | 5 | 1989–1995 |
| Kitakyusyu, JP | 1 | 1995 |
| Futtsu, JP | 1 | 1995 |
| Kitakyushu, JP | 1 | 1995 |
| Kanagawa, JP | 1 | 1988 |