Inventor
Junko Imamura
Inventor
Tokyo, JP
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Mprimary
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy16%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution16%
C22CAlloys14%
C23CCoating metallic material14%
C23GCleaning or de-greasing of metallic material by chemical methods other than electrolysis8%
C21DModifying the physical structure of ferrous metals5%
C22FChanging the physical structure of non-ferrous metals and non-ferrous alloys5%
C25DProcesses for the electrolytic or electrophoretic production of coatings5%
Y02PClimate change mitigation technologies in the production or processing of goods5%
C23FNon-mechanical removal of metallic material from surface3%
PatentTitleYear
10,505,205Titanium product, separator, and proton exchange membrane fuel cell, and method for producing titanium product201910,305,119Titanium material or titanium alloy material having surface electrical conductivity and method for producing the same, and fuel cell separator and fuel cell using the same201910,230,115Metallic material, and conductive component including the same201910,033,052Titanium material or titanium alloy material having surface electrical conductivity, and fuel cell separator and fuel cell using the same20189,680,162'Stainless steel sheet for a separator for a solid polymer fuel cell and a solid polymer fuel cell employing the separator'20179,312,546'Stainless steel material for a separator of a solid polymer fuel cell and a solid polymer fuel cell using the separator'20168,603,263'Duplex stainless steel having excellent alkali resistance'20135,995,343'Magnetic headwith specified tapered pole tip width ratio'1999Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1999Patents assigned to FUJITSU LTD (1)· patent assignee history
1999Based in Kanagawa, JP· patent location history
2013–2019Patents assigned to NIPPON STEEL & SUMITOMO METAL CORP (7)· patent assignee history
2013–2017Patents assigned to IMAMURA JUNKO (3)· patent assignee history
2013–2017Patents assigned to KAMINAKA HIDEYA (3)· patent assignee history
2013–2017Based in Amagasaki, JP· patent location history
2016Patents assigned to HIGASHIDA YASUTO (1)· patent assignee history
2018–2019Based in Tokyo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NIPPON STEEL & SUMITOMO METAL CORP | 7 | 2013–2019 |
| IMAMURA JUNKOself | 3 | 2013–2017 |
| KAMINAKA HIDEYA | 3 | 2013–2017 |
| FUJITSU LTD | 1 | 1999 |
| HIGASHIDA YASUTO | 1 | 2016 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 4 | 2018–2019 |
| Amagasaki, JP | 3 | 2013–2017 |
| Kanagawa, JP | 1 | 1999 |