Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5804906 | Sound generating device | — | 1998-09-08 |
| 5248460 | Pressure-holding chamber type injection molding process and apparatus | — | 1993-09-28 |
| 5246660 | Process and apparatus for injection molding with melt filtration and mixing | — | 1993-09-21 |
| 5219512 | Improved pressure-holding chamber type injection molding process and apparatus for injection molding of products | — | 1993-06-15 |
| 4976900 | Method and apparatus for gushing air stream into metal molds in injection molding machine | — | 1990-12-11 |
| 4899288 | Temperature control indicating apparatus of a hot runner in a thermoplastic synthetic resin injection molding system | — | 1990-02-06 |
| 4894197 | Method for runnerless injection molding synthetic resin by intermittent cooling system and apparatus thereof | — | 1990-01-16 |
| 4740674 | Pointed heat-generating device | — | 1988-04-26 |
| 4723898 | Small-sized and precision injection molding apparatus | — | 1988-02-09 |
| 4704516 | Pointed heat-generating device for molds of injection molding machines | — | 1987-11-03 |
| 4687613 | Injection molding process for synthetic resin and its apparatus | — | 1987-08-18 |
| 4517453 | Hot tip bushing means for a synthetic resin injection molding machine | — | 1985-05-14 |
| 4438064 | Injection molding process for synthetic resin and its apparatus | — | 1984-03-20 |