RS

Ryutaro Shirayanagi

MI Mitsui Petrochemical Industries: 2 patents #322 of 1,024Top 35%
📍 Waki, JP: #183 of 327 inventorsTop 60%
Overall (All Time): #2,293,906 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5366792 Laminated three layer non-woven fabric with improved interface and process for producing the same Masaki Shimizu, Masami Shimokawa 1994-11-22
5306545 Melt-blown non-woven fabric and laminated non-woven fabric material using the same Akimi Saeki, Kazuhiro Masumoto, Masaki Shimizu 1994-04-26