Inventor · disambiguated record
Sadamu Hirakawa
Also filed as: HIRAKAWA SADAMU
3 granted patents·84 citations·filing 1991–2000
74Inventor score
Top patents by PatentIndex Score
3 records- 0177US6448357B1Polyolefin resin compositionMITSUI CHEMICALS INC·Filed 2000·Granted Sep 10, 2002·15 cites·15 claims
- 0276US6110549ASealant resin composition for use in retort film and sealant filmMITSUI CHEMICALS INC·Filed 1998·Granted Aug 29, 2000·41 cites·11 claims
- 0363US5308573AMethod of molding a fuel tank having baffle platesMITSUI PETROCHEMICAL IND·Filed 1991·Granted May 3, 1994·28 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →