Inventor · disambiguated record
Sadayuki Ishiyama
Also filed as: ISHIYAMA SADAYUKI
6 granted patents·322 citations·filing 1995–1998
88Inventor score
Top patents by PatentIndex Score
6 records- 0191US6063717AHydroentangled nonwoven fabric and method of producing the sameNIPPON PETROCHEMICALS CO LTD·Filed 1995·Granted May 16, 2000·85 cites·8 claims
- 0282US5840633ANonwoven fabric and method of making the samePOLYMER PROCESSING RES INST·Filed 1995·Granted Nov 24, 1998·65 cites·18 claims
- 0381US5789328ABulky nonwoven fabric and method for producing the sameNIPPON PETROCHEMICALS CO LTD·Filed 1997·Granted Aug 4, 1998·71 cites·10 claims
- 0473US6124001AMethod of making a composite material with controlled elasticityNIPPON PETROCHEMICALS CO LTD·Filed 1997·Granted Sep 26, 2000·43 cites·13 claims
- 0568US6048808ANonwoven fabric and method of making the samePOLYMER PROCESSING RES INST·Filed 1998·Granted Apr 11, 2000·22 cites·10 claims
- 0668US5702798AComposite material with controlled elasticityNIPPON PETROCHEMICALS CO LTD·Filed 1995·Granted Dec 30, 1997·36 cites·15 claims
Join the waitlist — get patent alerts
Get an alert when Sadayuki Ishiyama files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →