Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5902541 | Injection molding method for producing shaped, hollow resin articles, and mold for use therein | Shoji Imai | 1999-05-11 |
| 5849377 | Injection-molded hollow article, hollow injection molding method and metal mold therefor | Yuji Tanaka, Keiji Nishiura | 1998-12-15 |
| 5730926 | Method for the non-resin fluid-assisted injection molding of a resin | Yuichi Matsumoto, Shoji Imai | 1998-03-24 |
| 5474723 | Method of forming a shaped article of resin using cavity enlargement to induce foaming | — | 1995-12-12 |
| 5374181 | Injection molding nozzle device | Hiroyuki Matsumoto, Teppei Yamaji, Mitsuo Watanabe | 1994-12-20 |