Inventor · disambiguated record
Shigefumi Sakai
Also filed as: SAKAI SHIGEFUMI
7 granted patents·3 pending applications·130 citations·filing 1995–2021
84Inventor score
Top patents by PatentIndex Score
10 records- 0192US5970384AMethods of heat treating silicon oxide films by irradiating ultra-violet lightSEMICONDUCTOR ENERGY LAB·Filed 1995·Granted Oct 19, 1999·95 cites·23 claims
- 0289US11480855B2Image display deviceDUALITAS LTD·Filed 2021·Granted Oct 25, 2022·2 cites·22 claims
- 0386US7135749B2Pressure sensorALPS ELECTRIC CO LTD·Filed 2005·Granted Nov 14, 2006·20 cites·4 claims
- 0483US8017046B2Skin cosmetic compositionKAO CORP·Filed 2009·Granted Sep 13, 2011·4 cites·20 claims
- 0578US10983423B2Image display deviceDUALITAS LTD·Filed 2019·Granted Apr 20, 2021·2 cites·5 claims
- 0649US2002034525A1Skin cosmetic compositionKAO CORP·Filed 2001·Application pending·0 cites
- 0744US6635589B2Methods of heat treatment and heat treatment apparatus for silicon oxide filmsSEMICONDUCTOR ENERGY LAB·Filed 1999·Granted Oct 21, 2003·7 cites·30 claims
- 0843US2004207921A1Multilayer film optical filter, method of producing the same, and optical component using the sameALPS ELECTRIC CO LTD·Filed 2004·Application pending·0 cites
- 0941US2003142407A1Multilayer film optical filter, method of producing the same, and optical component using the sameALPS ELECTRIC CO LTD·Filed 2003·Application pending·0 cites
- 1031US7319581B2Capacitive pressure sensorALPS ELECTRIC CO LTD·Filed 2005·Granted Jan 15, 2008·0 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →