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