Inventor
Mitsuharu Yamagata
Inventor
Tokyo, JP
Overview
Patents· 14 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B21Dprimary
B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material26%
B21KMaking forged or pressed metal products, e.g. horse-shoes, rivets, bolts or wheels16%
B21JForging12%
B22FWorking metallic powder5%
C22CAlloys5%
F16HGearing5%
G05BControl or regulating systems in general5%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy5%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution5%
Y02PClimate change mitigation technologies in the production or processing of goods5%
PatentTitleYear
11,131,612Method for estimating hardness of cold worked component and method for acquiring hardness-equivalent plastic strain curve of steel material202110,857,582Method of manufacturing tooth-shaped component, and tooth-shaped component202010,675,673Method of manufacturing mechanical part and mechanical part202010,376,941Press forming method and tool for press forming201910,029,296Forming die, and undercut forming method20189,707,617'Press-forming method'20179,505,047'Press-forming method'20169,468,971'Press forming method'20169,452,461'Press forming method'20169,421,597'Press-work method and bottomed container'20168,965,554'Press-forming device, press-forming method, computer program/software arrangement and storage medium'20158,304,141'Stainless steel, titanium, or titanium alloy solid polymer fuel cell separator and its method of production and method of evaluation of warp and twist of separator'20128,020,418'Press-forming device, press-forming method, computer program/software arrangement and storage medium'20117,807,281'Stainless steel, titanium, or titanium alloy solid polymer fuel cell separator and its method of production and method of evaluation of warp and twist of separator'2010Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2010–2021Patents assigned to NIPPON STEEL CORP (6)· patent assignee history
2010–2012Patents assigned to SINTOKOGIO LTD (2)· patent assignee history
2010–2012Based in Futtsu, JP· patent location history
2011Patents assigned to ARCELOR FRANCE (1)· patent assignee history
2011–2020Based in Chiba, JP· patent location history
2012–2015Patents assigned to YAMAGATA MITSUHARU (2)· patent assignee history
2015–2020Patents assigned to NIPPON STEEL & SUMITOMO METAL CORP (9)· patent assignee history
2015–2021Based in Tokyo, JP· patent location history
2018–2019Based in Kitakyushu, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NIPPON STEEL & SUMITOMO METAL CORP | 9 | 2015–2020 |
| NIPPON STEEL CORP | 6 | 2010–2021 |
| SINTOKOGIO LTD | 2 | 2010–2012 |
| YAMAGATA MITSUHARUself | 2 | 2012–2015 |
| ARCELOR FRANCE | 1 | 2011 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 7 | 2015–2021 |
| Chiba, JP | 3 | 2011–2020 |
| Kitakyushu, JP | 2 | 2018–2019 |
| Futtsu, JP | 2 | 2010–2012 |