Inventor · disambiguated record
Ryutaro Shirayanagi
Also filed as: SHIRAYANAGI RYUTARO
2 granted patents·108 citations·filing 1992–1992
68Inventor score
Files withMITSUI PETROCHEMICAL IND2
Top patents by PatentIndex Score
2 records- 0184US5306545AMelt-blown non-woven fabric and laminated non-woven fabric material using the sameMITSUI PETROCHEMICAL IND·Filed 1992·Granted Apr 26, 1994·73 cites·35 claims
- 0262US5366792ALaminated three layer non-woven fabric with improved interface and process for producing the sameMITSUI PETROCHEMICAL IND·Filed 1992·Granted Nov 22, 1994·35 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →