Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7485696 | Oxytetramethylene glycol copolymer and method for producing the same | Tamotsu Kodama, Haruyuki Minoura, Yoshiyuki Tsunematsu, Toshihiko Fukuzono | 2009-02-03 |
| 7217783 | Oxytetramethylene glycol copolymer and process for producing the same | Tamotsu Kodama, Toshihiko Fukuzono | 2007-05-15 |
| 5576410 | Diaminourea compound and process for production thereof and high heat resistant polyurethaneurea and process for production thereof | Akihiko Yosizato | 1996-11-19 |
| 5414118 | Diaminourea compound and process for production thereof and high heat resistant polyurethaneurea and process for production thereof | Akihiko Yosizato | 1995-05-09 |