Sankyo Engineering Co., Ltd.
5Patents
0Active
5Granted
25Portfolio score
Filing activity: Dec 2, 1988 → Mar 6, 1991
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4889480A | Slide core mold and injection molding | Emerging Cross-Sectional Technologies | 53 | Expired |
| US4923388A | Injection metal mold | Emerging Cross-Sectional Technologies | 14 | Expired |
| US5114329A | Mold unit for injection molding | Performing Operations; Transporting | 10 | Expired |
| US4917595A | Nozzle touch sprue bushing device | Performing Operations; Transporting | 8 | Expired |
| US4902212A | Self-lubricating metallic matrix for injection molding | Emerging Cross-Sectional Technologies | 4 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.