Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7261536 | Injection molding device with outside air inlet part | Shinya Seno | 2007-08-28 |
| 6918752 | Injection molding device with outside air inlet part | Shinya Seno | 2005-07-19 |
| 6919120 | Plastic molding and a method and a mold assembly for producing the same | Yasuo Yamanaka, Jun Watanabe, Kiyotaka Sawada, Hidenobu Kishi | 2005-07-19 |
| 6875380 | Method and apparatus for manufacturing plastic optical element and plastic optical element | Hidenobu Kishi, Yasuo Yamanaka, Jun Watanabe, Kiyotaka Sawada | 2005-04-05 |
| 6465610 | Method and apparatus for manufacturing plastic optical element and plastic optical element | Hidenobu Kishi, Yasuo Yamanaka, Jun Watanabe, Kiyotaka Sawada | 2002-10-15 |