Inventor · disambiguated record
Masaaki Hirai
Also filed as: HIRAI MASAAKI
17 granted patents·3 pending applications·249 citations·filing 1977–2022
93Inventor score
Top patents by PatentIndex Score
20 records- 0194US6435709B2Band and wrist deviceCASIO COMPUTER CO LTD·Filed 2001·Granted Aug 20, 2002·37 cites·4 claims
- 0294US6238083B1Band and wrist deviceCASIO COMPUTER CO LTD·Filed 1999·Granted May 29, 2001·59 cites·9 claims
- 0388US11655126B2Diagnostic systemTOSHIBA ELEVATOR KK·Filed 2021·Granted May 23, 2023·1 cites·11 claims
- 0485US8383231B2Sandwich panelJAMCO CORP·Filed 2006·Granted Feb 26, 2013·8 cites·6 claims
- 0577US8025954B2Sandwich panelJAMCO CORP·Filed 2006·Granted Sep 27, 2011·3 cites·10 claims
- 0675US6382388B1Passenger conveyer apparatusTOSHIBA KK·Filed 2000·Granted May 7, 2002·20 cites·10 claims
- 0770US8161607B2Method for opening fabric, fabric, and composite materialHIRAI MASAAKI·Filed 2008·Granted Apr 24, 2012·3 cites·9 claims
- 0865US5442602AWristwatch case with shock absorbing members on the rear side thereofCASIO COMPUTER CO LTD·Filed 1994·Granted Aug 15, 1995·28 cites·27 claims
- 0965US5378862AUniversal pivot switch with a hemispheric pivotal support memberCASIO COMPUTER CO LTD·Filed 1993·Granted Jan 3, 1995·30 cites·8 claims
- 1064US5820996AElectroluminescence device and method of manufacturing sameSHARP KK·Filed 1996·Granted Oct 13, 1998·25 cites·12 claims
- 1163US4080976AThree-stage collapsible umbrellaASAHI KOGYO CO LTD·Filed 1977·Granted Mar 28, 1978·23 cites·4 claims
- 1258US11865794B2Prepreg and method for manufacturing molded prepreg articleARISAWA SEISAKUSHO KK·Filed 2018·Granted Jan 9, 2024·0 cites·12 claims
- 1354US2024036131A1Insulated container, and magnetoencephalograph and magnetospinograph including sameARISAWA SEISAKUSHO KK·Filed 2021·Application pending·0 cites
- 1452US8334042B2Sandwich panelHORIGOME HIROSHI·Filed 2008·Granted Dec 18, 2012·0 cites·5 claims
- 1551US2024269959A1Thermally insulated container and magnetospinograph using sameARISAWA SEISAKUSHO KK·Filed 2022·Application pending·0 cites
- 1646US7420325B2Display deviceSHARP KK·Filed 2005·Granted Sep 2, 2008·0 cites·9 claims
- 1742US8789571B2Prepreg manufacturing deviceMACHII AKIHIKO·Filed 2007·Granted Jul 29, 2014·0 cites·7 claims
- 1841US2012133271A1El device and manufacturing method of the deviceHIRAI MASAAKI·Filed 2010·Application pending·0 cites
- 1939US8943860B2Vibration control device for washing machineHIRAI MASAAKI·Filed 2011·Granted Feb 3, 2015·0 cites·4 claims
- 2031US5411029ABiological signal measuring deviceNIHON KOHDEN CORP·Filed 1994·Granted May 2, 1995·12 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →