Inventor · disambiguated record

Hirofumi Katsurayama

Also filed as: KATSURAYAMA HIROFUMI

2 granted patents·32 citations·filing 1990–1992

63Inventor score

Technology areasD01D

Files withMITSUI PETROCHEMICAL IND2

Top patents by PatentIndex Score

2 records

0175US5188895ASplit fibers, integrated split fiber articles and method for preparing the sameMITSUI PETROCHEMICAL IND·Filed 1990·Granted Feb 23, 1993·21 cites·4 claims
0260US5275884ASplit fibers, integrated split fiber articles and method for preparing the sameMITSUI PETROCHEMICAL IND·Filed 1992·Granted Jan 4, 1994·11 cites·13 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →