Inventor
Junji Haji
Inventor
Tokyo, JP
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C22Cprimary
C22CAlloys31%
C21DModifying the physical structure of ferrous metals25%
C23CCoating metallic material25%
B21BRolling of metal6%
B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material6%
C21CProcessing of pig-iron, e.g. refining, manufacture of wrought-iron or steel6%
PatentTitleYear
10,384,256Tooling for punching steel sheet and punching method201910,273,566Hot-rolled steel sheet and method for producing same201910,023,931Method of production of hot dip galvannealed steel sheet with excellent workability, powderability, and slidability20189,732,405'Hot rolled steel sheet and method of producing same'20179,617,626'High-strength steel sheet exhibiting excellent stretch-flange formability and bending workability, and method of producing molten steel for the high-strength steel sheet'20179,499,894'Method for producing high-strength hot-dip galvannealed steel sheet'20169,121,079'High-strength hot-rolled steel sheet and method of manufacturing the same'20158,617,324'Method for producing high-strength hot-dip galvannealed steel sheet'20138,303,739'Method for producing high-strength hot-dip galvannealed steel sheet'2012Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2012–2018Patents assigned to HAJI JUNJI (6)· patent assignee history
2012–2018Patents assigned to ISHIZUKA KIYOKAZU (3)· patent assignee history
2012–2018Patents assigned to KAWASAKI KAORU (3)· patent assignee history
2012–2018Based in Himeji, JP· patent location history
2013–2019Patents assigned to NIPPON STEEL & SUMITOMO METAL CORP (8)· patent assignee history
2013–2016Based in Hyogo, JP· patent location history
2015–2017Patents assigned to KAWANO OSAMU (3)· patent assignee history
2015–2019Based in Tokyo, JP· patent location history
2019Based in Oita, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NIPPON STEEL & SUMITOMO METAL CORP | 8 | 2013–2019 |
| HAJI JUNJIself | 6 | 2012–2018 |
| ISHIZUKA KIYOKAZU | 3 | 2012–2018 |
| KAWANO OSAMU | 3 | 2015–2017 |
| KAWASAKI KAORU | 3 | 2012–2018 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 4 | 2015–2019 |
| Himeji, JP | 2 | 2012–2018 |
| Hyogo, JP | 2 | 2013–2016 |
| Oita, JP | 1 | 2019 |