Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6540956 | Mold, blow molded product, and molding method | Hiroshi Iwamoto, Yuko Tamiya, Masaharu Hata | 2003-04-01 |
| 6304794 | Method for designing a metal mold | Hisanori Torii, Nobunori Oji, Keiichiro Sugai, Yuko Tamiya | 2001-10-16 |
| 5717905 | CAD system and bezier-curve data converting apparatus and method thereof in said CAD system | Hiroshi Iwamoto | 1998-02-10 |