Inventor
Akira Usami
Inventor
Futtsu, JP
Overview
Patents· 16 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C22Cprimary
C22CAlloys24%
C21DModifying the physical structure of ferrous metals18%
A63FCard, board, or roulette games9%
A61FFilters implantable into blood vessels6%
A61LMethods or apparatus for sterilising materials or objects in general6%
B23KSoldering or unsoldering6%
C23FNon-mechanical removal of metallic material from surface6%
G01RMeasuring electric variables6%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%
B66CCranes3%
PatentTitleYear
10,967,280Non-transitory computer readable recording medium, game control method, server device, and information processing system202110,343,073Non-transitory computer readable recording medium, game control method, server device, and information processing system201910,335,689Non-transitory computer readable recording medium, game control method, server device, and information processing system20198,500,924'High-strength steel plate and producing method therefor'20138,361,245'Steel excellent in resistance to sulfuric acid dew point corrosion'20137,922,838'Crude oil tank fabricated from steel plate'20117,875,130'Crude oil tank comprising a corrosion resistant steel alloy'20117,731,896'Low alloy steel and weld joint thereof excellent in corrosion resistance to hydrochloric acid and sulfuric acid'20107,718,014'Low alloy steel and weld joint thereof excellent in corrosion resistance to hydrochloric acid and sulfuric acid'20105,820,819'Steel for chimney or gas duct, excellent in pitting resistance and rust adhesion'19985,591,392'Steel plate having good corrosion resistance to condensed water'19975,196,786'Method for inspecting an electronic state of a surface of a semiconductor substrate and an apparatus therefor'19934,949,034'Method for contactless evaluation of characteristics of semiconductor wafers and devices'19904,360,022'Sanitary napkin'19824,289,130'Absorbent material for sanitary products'19814,039,808'Solid state ionization chamber of silicon PN-junction type'1977Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1977Based in Nagoya, JP· patent location history
1981Patents assigned to DAICEL LTD (1)· patent assignee history
1981–1982Based in Sakai, JP· patent location history
1990–1993Based in Aichi, JP· patent location history
1993Patents assigned to DAINIPPON SCREEN MFG (1)· patent assignee history
1997–2013Patents assigned to NIPPON STEEL CORP (7)· patent assignee history
1997–2013Based in Futtsu, JP· patent location history
2013Patents assigned to USAMI AKIRA (2)· patent assignee history
2013–2021Based in Tokyo, JP· patent location history
2019–2021Patents assigned to GREE INC (3)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NIPPON STEEL CORP | 7 | 1997–2013 |
| GREE INC | 3 | 2019–2021 |
| USAMI AKIRAself | 2 | 2013 |
| DAICEL LTD | 1 | 1981 |
| DAINIPPON SCREEN MFG | 1 | 1993 |
Locations
| Location | Patents | Span |
|---|---|---|
| Futtsu, JP | 7 | 1997–2013 |
| Tokyo, JP | 4 | 2013–2021 |
| Aichi, JP | 2 | 1990–1993 |
| Sakai, JP | 2 | 1981–1982 |
| Nagoya, JP | 1 | 1977 |