Inventor · disambiguated record
Masakatsu Okaya
Also filed as: OKAYA MASAKATSU
6 granted patents·12 citations·filing 2011–2020
73Inventor score
Top patents by PatentIndex Score
6 records- 0184US9328731B2Oil free compressor systemYABE TOSHIAKI·Filed 2012·Granted May 3, 2016·7 cites·17 claims
- 0283US8801412B2Screw compressorIKEDA YUKIKO·Filed 2011·Granted Aug 12, 2014·5 cites·18 claims
- 0361US9944880B2Oil-free screw compressor coated with a base resin, a solid lubricant and a heat-resistant additiveHITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD·Filed 2014·Granted Apr 17, 2018·0 cites·19 claims
- 0457US10316841B2Compressor, oil-free screw compressor, and method of manufacturing casing used thereforHITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD·Filed 2015·Granted Jun 11, 2019·0 cites·8 claims
- 0554US12092113B2Heat recovery deviceHITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD·Filed 2020·Granted Sep 17, 2024·0 cites·16 claims
- 0646US11859605B2Compressor system, and control method for sameHITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD·Filed 2020·Granted Jan 2, 2024·0 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →