Inventor · disambiguated record
Masatoshi Hirai
Also filed as: HIRAI MASATOSHI
3 granted patents·3 pending applications·39 citations·filing 1991–2012
71Inventor score
Top patents by PatentIndex Score
6 records- 0159US5227753AElectron beam adjusting deviceKANEGAFUCHI CHEMICAL IND·Filed 1991·Granted Jul 13, 1993·16 cites·2 claims
- 0256US6213689B1Construction unit for a retaining wall and a method for constructing the retaining wallTOKUSUKE CO LTD·Filed 2000·Granted Apr 10, 2001·12 cites·12 claims
- 0355US2009286093A1Lead-free solderFUJI ELEC DEVICE TECH CO LTD·Filed 2009·Application pending·0 cites
- 0451US5289149AElectron beam adjusting device with magnet rings of differing alnico powdered metal contentKANEGAFUCHI CHEMICAL IND·Filed 1991·Granted Feb 22, 1994·11 cites·5 claims
- 0547US2007029678A1Lead-free solderMAKITA KAZUYUKI·Filed 2006·Application pending·0 cites
- 0646US2012111924A1Lead-free solderMAKITA KAZUYUKI·Filed 2012·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →