Tomohiro Aruga
30Patents
3h-index
28Co-inventors
59Inventor score
Filing activity: Aug 8, 2005 → Mar 28, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7565099B2 | Developing device and image forming apparatus having a toner-particle bearing roller with a helical groove portion | Physics | 10 | Active |
| US9193882B2 | Ink composition for ink jet recording, ink supply system, and ink jet recording apparatus | Chemistry; Metallurgy | 7 | Active |
| US7555252B2 | Image forming apparatus that prevents conspicuous unevenness in image density | Physics | 3 | Active |
| US8790458B2 | Ink set and droplet ejection apparatus using the ink set | Chemistry; Metallurgy | 2 | Active |
| US9023140B2 | Ink jet ink set and ink jet recording system | Chemistry; Metallurgy | 1 | Active |
| US8651647B2 | Liquid ejecting apparatus, and nozzle recovery method used in liquid ejecting apparatus | Performing Operations; Transporting | 1 | Active |
| US9334412B2 | Ink composition for ink jet recording, ink supply system, and ink jet recording apparatus | Chemistry; Metallurgy | 1 | Active |
| US10717888B2 | Ink composition, ink set, recording method, and ink jet recording apparatus | Chemistry; Metallurgy | 0 | Active |
| US8852837B2 | Toner, method for forming image, and image forming apparatus | Physics | 0 | Active |
| US8175504B2 | Image forming apparatus and image forming method | Physics | 0 | Active |
| US7991319B2 | Image forming apparatus with seal member that abuts surface of toner carrier roller having convex and concave sections | Physics | 0 | Active |
| US10414931B2 | Ink composition, ink set, and ink jet recording device | Chemistry; Metallurgy | 0 | Active |
| US11505711B2 | Ink jet recording apparatus, ink jet recording method, and ink composition | Performing Operations; Transporting | 0 | Active |
| US8534808B2 | Liquid ejecting apparatus and cleaning method in liquid ejecting apparatus | Performing Operations; Transporting | 0 | Active |
| US7315703B2 | Image forming apparatus, image forming system, and image forming method | Physics | 0 | Expired |
| US7945194B2 | Image forming apparatus and image forming system reducing electrical discharge | Physics | 0 | Active |
| US12215241B2 | Printing ink jet ink composition and recording method | Textiles; Paper | 0 | Active |
| US8087170B2 | Developing agent carrier manufacturing method, developing agent carrier, developing device and image forming apparatus | Emerging Cross-Sectional Technologies | 0 | Active |
| US9004665B2 | Ink jet recording ink and ink jet recording system | Chemistry; Metallurgy | 0 | Active |
| US11479056B2 | Ink jet recording apparatus, ink jet recording method, and ink composition | Chemistry; Metallurgy | 0 | Active |
| US7925195B2 | Method of manufacturing toner carrier roller, developer apparatus, and image forming apparatus | Emerging Cross-Sectional Technologies | 0 | Active |
| US8126355B2 | Developing device with seal member that abuts toner carrier roller | Physics | 0 | Active |
| US8401443B2 | Toner-particle bearing roller, developing device, and image forming apparatus | Physics | 0 | Active |
| US11511545B2 | Ink jet recording apparatus, ink jet recording method, and ink composition | Chemistry; Metallurgy | 0 | Active |
| US11499064B2 | Ink jet recording apparatus, ink jet recording method, and ink composition | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.