Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6987137 | Material for forming resin suitable for cutting, molded resin product as raw material for model, and method for manufacturing model | — | 2006-01-17 |
| 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 | Jiro Ryugo | 2001-04-24 |
| 5401785 | Foamed polyurethane-forming composition, foamed polyurethane and process making the same | Yasushi Kumagai, Sukeo Ban | 1995-03-28 |