NIPPON ITF, INC.
11Patents
10Active
11Granted
48Portfolio score
Filing activity: Jul 21, 2003 → Jun 15, 2018 · 1 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7955691B2 | Hard amorphous carbon film | Emerging Cross-Sectional Technologies | 6 | Active |
| US10428416B2 | Coating film, manufacturing method for same, and PVD device | Chemistry; Metallurgy | 2 | Active |
| US11247903B2 | Coating film, method for manufacturing same, and PVD apparatus | Emerging Cross-Sectional Technologies | 1 | Active |
| US11293548B2 | Sliding member and coating film | Chemistry; Metallurgy | 1 | Active |
| US6998034B2 | Vacuum arc deposition apparatus | Electricity | 1 | Expired |
| US10458548B2 | Piston ring and method for manufacturing same | Chemistry; Metallurgy | 1 | Active |
| US10634249B2 | Piston ring and engine | Chemistry; Metallurgy | 0 | Active |
| US11261519B2 | Coating film, manufacturing method therefor, and PVD apparatus | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US11851741B2 | Hard carbon film, manufacturing method for same, and sliding member | Emerging Cross-Sectional Technologies | 0 | Active |
| US10457885B2 | Coating film, manufacturing method for same, and PVD device | Chemistry; Metallurgy | 0 | Active |
| US9953808B2 | Arc evaporation source | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.