Goei Co., Ltd.
4Patents
1Active
4Granted
31Portfolio score
Filing activity: Dec 20, 2001 → Mar 19, 2008 · 1 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7223161B2 | Cutting apparatus with dust discharging | Performing Operations; Transporting | 31 | Expired |
| US7744447B2 | Abrasive disc | Performing Operations; Transporting | 15 | Expired |
| US7832496B2 | Deep-hole boring machine and deep-hole boring guide device | Emerging Cross-Sectional Technologies | 9 | Active |
| US6666286B2 | Fluid circulating apparatus for drill | Emerging Cross-Sectional Technologies | 4 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.