Inventor · disambiguated record
Hirotake Usui
Also filed as: USUI HIROTAKE
5 granted patents·93 citations·filing 1993–1997
82Inventor score
Files withRYOBI LTD5
Top patents by PatentIndex Score
5 records- 0185US5361826ALaminar flow injection molding apparatus and laminar flow injection molding methodRYOBI LTD·Filed 1993·Granted Nov 8, 1994·25 cites·13 claims
- 0283US5700422AMolten metal supply deviceRYOBI LTD·Filed 1996·Granted Dec 23, 1997·26 cites·14 claims
- 0375US5323840AMetal mold arrangement for casting water-cooled type cylinder block in horizontal type casting machineRYOBI LTD·Filed 1993·Granted Jun 28, 1994·18 cites·15 claims
- 0452US5727511ACylinder liner and cylinder block and method for producing the cylinder liner and the cylinder blockRYOBI LTD·Filed 1996·Granted Mar 17, 1998·12 cites·19 claims
- 0551US5720334ACasting device for producing closed deck type cylinder block and sand core used in the deviceRYOBI LTD·Filed 1997·Granted Feb 24, 1998·12 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →