JR

Jiro Ryugo

SI Sanyo Chemical Industries: 2 patents #123 of 607Top 25%
Overall (All Time): #2,218,509 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6455606 Polyurethane foam, process for producing the same, and foam forming composition Motonao Kaku, Yasushi Kumagai, Toru Nakanishi, Tatsuroh Yanagi, Tsuyoshi Tomosada +4 more 2002-09-24
6221929 Rigid foamed polyurethane-forming compositions, foamed polyurethane moldings and models made of the same Yuichi Sasatani 2001-04-24