Inventor · disambiguated record
Masatoshi Hirokawa
Also filed as: HIROKAWA MASATOSHI
5 granted patents·1 pending application·22 citations·filing 1998–2012
74Inventor score
Top patents by PatentIndex Score
6 records- 0182US8951490B2CO2 recovery method and apparatusOKUMURA TAKESHI·Filed 2012·Granted Feb 10, 2015·9 cites·10 claims
- 0276US9073004B2Carbon dioxide separation apparatusKAWASAKI HEAVY IND LTD·Filed 2012·Granted Jul 7, 2015·4 cites·8 claims
- 0350US6616774B2Wafer cleaning device and tray for use in wafer cleaning deviceSPC ELECTRONICS·Filed 2001·Granted Sep 9, 2003·7 cites·5 claims
- 0440US9365423B2Method and device for separating hydrogen sulfide and hydrogen production system using the sameKAWASAKI HEAVY IND LTD·Filed 2012·Granted Jun 14, 2016·0 cites·20 claims
- 0526US6432218B1Multi-step flow cleaning method and multi-step flow cleaning apparatusSHIMADA RIKA KOGYO KK·Filed 1998·Granted Aug 13, 2002·2 cites·4 claims
- 0619US2001047817A1Wafer cleaning device and tray for use in wafer cleaning deviceFiled 1998·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →