Inventor
Chikara Kami
Inventor
Tokyo, JP
Overview
Patents· 34 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C21Dprimary
C21DModifying the physical structure of ferrous metals33%
C22CAlloys33%
B21BRolling of metal4%
C23CCoating metallic material4%
B23KSoldering or unsoldering3%
C25DProcesses for the electrolytic or electrophoretic production of coatings3%
Y02PClimate change mitigation technologies in the production or processing of goods3%
E04CStructural elements2%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy2%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution2%
PatentTitleYear
10,988,825Martensitic stainless steel sheet202110,988,853Stainless steel sheet including Ni and O-containing coating on surface and method for producing stainless steel sheet202110,975,459Ferritic stainless steel202110,900,104Hot rolled steel sheet and method for manufacturing the same202110,876,180Method of manufacturing hot rolled steel sheet for square column for building structural members202010,837,075Hot rolled and annealed ferritic stainless steel sheet, method of producing same, and cold rolled and annealed ferritic stainless steel sheet202010,801,084Material for cold rolled stainless steel sheets, method for manufacturing the same, and cold rolled steel sheet202010,745,774Ferrite-martensite dual-phase stainless steel and method of manufacturing the same202010,714,764Stainless steel sheet for fuel cell separators and method for producing the same202010,655,195Martensitic stainless steel202010,516,174Metal sheet for separators of polymer electrolyte fuel cells, and metal sheet for manufacturing the same201910,458,013Ferritic stainless steel and process for producing same201910,450,625Ferritic stainless steel and method for producing same201910,415,126Ferritic stainless steel201910,400,299High-carbon hot-rolled steel sheet and method for manufacturing the same201910,400,298High-carbon hot-rolled steel sheet and method for producing the same201910,400,318Ferritic stainless steel201910,301,693High-strength hot-rolled steel sheet and method for producing the same201910,272,513Ferritic stainless steel sheet for plasma arc welding and welding method therefor201910,047,416Hot rolled steel sheet and method for manufacturing the same20189,809,869'Thick-walled high-strength hot rolled steel sheet having excellent hydrogen induced cracking resistance and manufacturing method thereof'20179,752,216'High-strength hot rolled steel sheet with excellent bendability and low-temperature toughness, and method for manufacturing the same'20179,708,680'Hot rolled steel sheet for square column for building structural members'20179,580,782'Thick high-tensile-strength hot-rolled steel sheet having excellent low-temperature toughness and manufacturing method thereof'20179,493,865'Thick-walled high-strength hot rolled steel sheet with excellent low-temperature toughness and method of producing same'20168,784,577'Thick high-tensile-strength hot-rolled steel sheet having excellent low-temperature toughness and manufacturing method thereof'20147,879,287'Hot-rolled steel sheet for high-strength electric-resistance welded pipe having sour-gas resistance and excellent weld toughness, and method for manufacturing the same'20117,501,030'Hot-rolled steel strip for high strength electric resistance welding pipe and manufacturing method thereof'20097,101,445'Cold rolled steel sheet and galvanized steel sheet having strain age hardenability and method of producing the same'20067,067,023'Cold rolled steel sheet and galvanized steel sheet having strain age hardenability and method of producing the same'20066,902,632'High tensile strength cold rolled steel sheet having excellent strain age hardening characteristics and the production thereof'20056,899,771'High tensile strength cold rolled steel sheet having excellent strain age hardening characteristics and the production thereof'20056,702,904'High tensile cold-rolled steel sheet having excellent strain aging hardening properties'20046,695,932'Cold-rolled steel sheet having excellent strain aging hardening properties and method for producing the same'2004Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2004–2021Patents assigned to JFE STEEL CORP (34)· patent assignee history
2004–2021Based in Chiba, JP· patent location history
2011Based in Chiyoda-ku, JP· patent location history
2014–2017Patents assigned to KAMI CHIKARA (2)· patent assignee history
2014Patents assigned to NAKAGAWA KINYA (1)· patent assignee history
2014Patents assigned to NAKATA HIROSHI (1)· patent assignee history
2014–2019Based in Kurashiki, JP· patent location history
2016–2021Based in Tokyo, JP· patent location history
2017Patents assigned to KAWAMURA SHUJI (1)· patent assignee history
2019Based in Kawasaki, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| JFE STEEL CORP | 34 | 2004–2021 |
| KAMI CHIKARAself | 2 | 2014–2017 |
| KAWAMURA SHUJI | 1 | 2017 |
| NAKAGAWA KINYA | 1 | 2014 |
| NAKATA HIROSHI | 1 | 2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 14 | 2016–2021 |
| Chiba, JP | 12 | 2004–2021 |
| Kurashiki, JP | 5 | 2014–2019 |
| Kawasaki, JP | 1 | 2019 |
| Chiyoda-ku, JP | 1 | 2011 |