Inventor
Akihiko Chiba
Inventor
Sendai, JP
Overview
Patents· 15 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C22Cprimary
C22CAlloys24%
C22FChanging the physical structure of non-ferrous metals and non-ferrous alloys19%
A61FFilters implantable into blood vessels7%
A61LMethods or apparatus for sterilising materials or objects in general7%
Y10TTechnical subjects covered by former us classification7%
B22FWorking metallic powder5%
C21DModifying the physical structure of ferrous metals5%
C23CCoating metallic material5%
A47LDomestic washing or cleaning2%
B22DCasting of metals2%
PatentTitleYear
10,808,306Method of producing Co--Ni-based alloy202010,787,725High entropy alloy article, method for manufacturing same, and product using same202010,513,757Corrosion-resistant, high-hardness alloy composition and method for producing same201910,196,724Method for manufacturing Ni-based super-heat-resistant alloy20199,803,269'α+β type titanium alloy and production method therefor'20179,624,565'Nanocrystal-containing titanium alloy and production method therefor'20179,260,769'Co-based alloys for biomedical applications and stent'20169,260,773'Nanocrystal titanium alloy and production method for same'20168,460,485'Method of forming fine grains of Co-Cr-Mo alloy with nitrogen addition and Co-Cr-Mo alloy with nitrogen addition'20137,857,916'Co-Cr-Mo alloy fine wire, manufacturing method therefor, and planar body, tubular body, stranded wire and cable formed of wire'20107,625,519'Method for manufacturing biomedical porous article'20095,209,645'Ceramics-coated heat resisting alloy member'19934,966,820'Ceramics-coated heat resisting alloy member'19904,897,933'Tableware drying machine'19904,584,741'Clasping device'1986Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1990–1993Patents assigned to HITACHI LTD (2)· patent assignee history
1993–2010Based in Morioka, JP· patent location history
2010–2017Patents assigned to NHK SPRING CO LTD (4)· patent assignee history
2013–2020Patents assigned to UNIV TOHOKU (8)· patent assignee history
2013–2020Patents assigned to CHIBA AKIHIKO (4)· patent assignee history
2013–2017Patents assigned to MATSUMOTO HIROAKI (3)· patent assignee history
2013Based in Saendai, JP· patent location history
2016–2020Based in Sendai, JP· patent location history
2016Based in Chiba, JP· patent location history
2020Based in Miyagi, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| UNIV TOHOKU | 8 | 2013–2020 |
| CHIBA AKIHIKOself | 4 | 2013–2020 |
| NHK SPRING CO LTD | 4 | 2010–2017 |
| MATSUMOTO HIROAKI | 3 | 2013–2017 |
| HITACHI LTD | 2 | 1990–1993 |
Locations
| Location | Patents | Span |
|---|---|---|
| Sendai, JP | 6 | 2016–2020 |
| Morioka, JP | 3 | 1993–2010 |
| Miyagi, JP | 1 | 2020 |
| Chiba, JP | 1 | 2016 |
| Saendai, JP | 1 | 2013 |