Inventor · disambiguated record
Masakazu Hase
Also filed as: HASE MASAKAZU
9 granted patents·1 pending application·94 citations·filing 2000–2025
86Inventor score
Files withHITACHI IND EQUIPMENT SYS3HITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD3HASE MASAKAZU2HITACHI LTD1OKUBO TOMOFUMI1
Top patents by PatentIndex Score
10 records- 0189US6287083B1Compressed air production facilityHITACHI LTD·Filed 2000·Granted Sep 11, 2001·36 cites·16 claims
- 0281US8257053B2Compressed air manufacturing facilityHASE MASAKAZU·Filed 2007·Granted Sep 4, 2012·8 cites·9 claims
- 0380USD550721SAir compressorHITACHI IND EQUIPMENT SYS·Filed 2006·Granted Sep 11, 2007·28 cites·1 claims
- 0475US7808202B2Beat-less controller for permanent magnet motorHITACHI IND EQUIPMENT SYS·Filed 2007·Granted Oct 5, 2010·10 cites·10 claims
- 0566US7719226B2Highly responsive permanent magnet motor controllerHITACHI IND EQUIPMENT SYS·Filed 2007·Granted May 18, 2010·6 cites·6 claims
- 0661US9136788B2Motor controller, air compressor, air conditioner, controller of passenger conveyor and controller of conveyorOKUBO TOMOFUMI·Filed 2009·Granted Sep 15, 2015·6 cites·4 claims
- 0760US2025369609A1Exhaust Heat Recovery SystemHITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD·Filed 2025·Application pending·0 cites
- 0857US8608450B2Compressed air manufacturing facilityHASE MASAKAZU·Filed 2009·Granted Dec 17, 2013·0 cites·9 claims
- 0951US11994138B2Gas compressor with a plurality of air realease systems each having an air release valve and an air regulating valveHITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD·Filed 2020·Granted May 28, 2024·0 cites·5 claims
- 1049US11448217B2Gas compressorHITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD·Filed 2019·Granted Sep 20, 2022·0 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →