Hitoshi Nagashima
14Patents
6h-index
35Co-inventors
66Inventor score
Filing activity: Apr 24, 1992 → May 16, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6848781B2 | Image forming process, image-recorded article, liquid composition and ink-jet recording apparatus | Chemistry; Metallurgy | 38 | Expired |
| US5221459A | Method of manufacturing a magnetic disk substrate of titanium | Chemistry; Metallurgy | 27 | Expired |
| US7291361B2 | Image forming process, image-recorded article, liquid composition and ink-jet recording apparatus | Chemistry; Metallurgy | 20 | Expired |
| US7662452B2 | Ink recording medium and production method therefor | Performing Operations; Transporting | 7 | Expired |
| US8247043B2 | Recording medium | Performing Operations; Transporting | 7 | Active |
| US8545008B2 | Recording medium | Performing Operations; Transporting | 6 | Active |
| US8247042B2 | Recording medium | Performing Operations; Transporting | 6 | Active |
| US8080291B2 | Ink jet recording medium and production process thereof | Performing Operations; Transporting | 4 | Active |
| US10125284B2 | Aqueous ink, ink cartridge, and ink jet recording method | Chemistry; Metallurgy | 4 | Active |
| US5478657A | Titanium discs useful for magnetic discs | Emerging Cross-Sectional Technologies | 4 | Expired |
| US8236394B2 | Recording medium | Performing Operations; Transporting | 3 | Active |
| US8257804B2 | Double-sided recording medium | Performing Operations; Transporting | 0 | Active |
| US7923081B2 | Recording medium for water-based ink and method for determining ink absorbing characteristic thereof | Performing Operations; Transporting | 0 | Active |
| US8685504B2 | Recording medium | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.