Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7521016 | Pressurized gas introducing device, and injection molding method for moldings having hollow portion | Yoshihiro Kayano, Hiroyuki Imaizumi | 2009-04-21 |
| 7377478 | Light guide plate made of transparent resin, molding method thereof, insert block, mold assembly, and area light apparatus | Hisashi Tahara | 2008-05-27 |
| 7048428 | Light guide plate with convex portions having low radius of curvature tips, or low surface roughness | Hisashi Tahara | 2006-05-23 |
| 5705107 | Molding method for producing molded article having a hollow portion | Sinji Kiboshi | 1998-01-06 |
| 5656234 | Mold apparatus and injection molding method for producing hollow-structured article by injection molding | Sinji Kiboshi, Isamu Mio, Michiyasu Fukui | 1997-08-12 |
| 5639417 | Mold apparatus for process for injection molding | Sinji Kiboshi, Isamu Mio | 1997-06-17 |
| 5626815 | Gas-feeding nozzle and apparatus and method employing such nozzle | Shinji Kiboshi | 1997-05-06 |
| 5545027 | Gas-feeding device for injection molding | Kenzi Kono | 1996-08-13 |
| 5465908 | Gas-feeding nozzle | Akinori Toyota | 1995-11-14 |
| 5417560 | Drive apparatus for driving movable member in plastic molding die apparatus | Tetsuya Hozumi | 1995-05-23 |
| 5403647 | Injection-molded article having high-quality appearance | Akinori Toyota | 1995-04-04 |
| 5308574 | Method of injection molding with air assist for making a handle-shaped molded article | Kunio Yamazaki, Yoshiharu Ohtuki, Akinori Toyota | 1994-05-03 |
| 5056997 | Apparatus for injecting a gas into molten resin in a cavity of an injection molding machine | Hiromi Hayashi, Yasuaki Ichinose, Hiroshi Harada | 1991-10-15 |