Inventor · disambiguated record
Akira Usami
Also filed as: USAMI AKIRA
19 granted patents·4 pending applications·222 citations·filing 1975–2022
94Inventor score
Files withNIPPON STEEL CORP8GREE INC5DAICEL LTD1DAINIPPON SCREEN MFG1DAISEL KAGAKU KOGYO KABUSHIKIK1
Top patents by PatentIndex Score
23 records- 0192US11491405B2Non-transitory computer readable recording medium, game control method, server device, and information processing systemGREE INC·Filed 2021·Granted Nov 8, 2022·3 cites·27 claims
- 0290US7718014B2Low alloy steel and weld joint thereof excellent in corrosion resistance to hydrochloric acid and sulfuric acidNIPPON STEEL CORP·Filed 2007·Granted May 18, 2010·9 cites·7 claims
- 0389US10335689B2Non-transitory computer readable recording medium, game control method, server device, and information processing systemGREE INC·Filed 2017·Granted Jul 2, 2019·8 cites·12 claims
- 0489US4289130AAbsorbent material for sanitary productsDAICEL LTD·Filed 1979·Granted Sep 15, 1981·51 cites·11 claims
- 0584US4949034AMethod for contactless evaluation of characteristics of semiconductor wafers and devicesMITSUBISHI METAL CORP·Filed 1989·Granted Aug 14, 1990·45 cites·28 claims
- 0679US10967280B2Non-transitory computer readable recording medium, game control method, server device, and information processing systemGREE INC·Filed 2019·Granted Apr 6, 2021·2 cites·21 claims
- 0773US10343073B2Non-transitory computer readable recording medium, game control method, server device, and information processing systemGREE INC·Filed 2014·Granted Jul 9, 2019·2 cites·12 claims
- 0872US12053706B2Non-transitory computer readable recording medium, game control method, server device, and information processing systemGREE INC·Filed 2022·Granted Aug 6, 2024·0 cites·18 claims
- 0972US7875130B2Crude oil tank comprising a corrosion resistant steel alloyNIPPON STEEL CORP·Filed 2009·Granted Jan 25, 2011·2 cites·10 claims
- 1067US2024239940A1Radically polymerizable resin compositionRESONAC CORP·Filed 2022·Application pending·0 cites
- 1165US7731896B2Low alloy steel and weld joint thereof excellent in corrosion resistance to hydrochloric acid and sulfuric acidNIPPON STEEL CORP·Filed 2002·Granted Jun 8, 2010·5 cites·5 claims
- 1264US8500924B2High-strength steel plate and producing method thereforKUMAGAI TATSUYA·Filed 2009·Granted Aug 6, 2013·1 cites·7 claims
- 1357US5196786AMethod for inspecting an electronic state of a surface of a semiconductor substrate and an apparatus thereforDAINIPPON SCREEN MFG·Filed 1991·Granted Mar 23, 1993·23 cites·12 claims
- 1456US4360022ASanitary napkinDAISEL KAGAKU KOGYO KABUSHIKIK·Filed 1980·Granted Nov 23, 1982·51 cites·16 claims
- 1554US2001054077A1Electronic mail delivery apparatus and method thereofFiled 2001·Application pending·0 cites
- 1651US8361245B2Steel excellent in resistance to sulfuric acid dew point corrosionNIPPON STEEL CORP·Filed 2006·Granted Jan 29, 2013·0 cites·5 claims
- 1745US2006214856A1Broad band antennaSANSEI ELECTRIC CORP·Filed 2006·Application pending·0 cites
- 1842US5820819ASteel for chimney or gas duct, excellent in pitting resistance and rust adhesionNIPPON STEEL CORP·Filed 1996·Granted Oct 13, 1998·8 cites·8 claims
- 1942US2007122650A1Steel for exhaust gas processing equipment and exhaust gas duct excellent in wear resistance or wear resistance and gas cutting propertyNIPPON STEEL CORP·Filed 2004·Application pending·0 cites
- 2041US7922838B2Crude oil tank fabricated from steel plateNIPPON STEEL CORP·Filed 2003·Granted Apr 12, 2011·0 cites·18 claims
- 2141US6236285B1Lumped element circulator having a plurality of separated operation bandsLAB CO K·Filed 1998·Granted May 22, 2001·8 cites·3 claims
- 2230US5591392ASteel plate having good corrosion resistance to condensed waterNIPPON STEEL CORP·Filed 1995·Granted Jan 7, 1997·0 cites·4 claims
- 2330US4039808ASolid state ionization chamber of silicon pn-junction typeJAPAN ATOMIC ENERGY RES INST·Filed 1975·Granted Aug 2, 1977·4 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →