Hideyuki Otsuka
16Patents
4h-index
38Co-inventors
56Inventor score
Filing activity: Nov 6, 2001 → Feb 20, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7094512B2 | Electrophotographic printing method, monoazo iron complex compound, charge controlling agent using the same and toner using the charge controlling agent | Physics | 5 | Expired |
| US7820832B2 | Oxidized mixed cyclic phenol sulfides, and charge control agents and toners using the same | Physics | 4 | Active |
| US7709172B2 | Oxidized mixed cyclic phenol sulfides, and charge control agents and toners using the same | Physics | 4 | Active |
| US7402369B2 | Mono azo iron complex compound, and charge controlling agent and toner using the same | Physics | 4 | Active |
| US7901858B2 | Mixed cyclic phenol sulfides, and charge control agents and toners using the same | Physics | 3 | Active |
| US10474050B2 | Toner and charge control agent using pyrazolone derivative or salt of derivative | Physics | 3 | Active |
| US8580470B2 | Charge control agent composition and toner utilizing the same | Physics | 2 | Active |
| US11667609B2 | Compound, composition containing said compound, self-healing material, surface coating agent, paint, adhesive, material for battery and cured product | Emerging Cross-Sectional Technologies | 1 | Active |
| US9056884B2 | Process for producing a charge control agent | Chemistry; Metallurgy | 0 | Active |
| US6897000B2 | Charge controlling agent, method for producing the same and toner for developing electrostatic image | Physics | 0 | Expired |
| US9212263B2 | Reactive ionic liquid, and ion-immobilized metal oxide particle, ion-immobilized elastomer, and transducer using same | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US9141014B2 | Toner for developing electrostatic charge image | Physics | 0 | Active |
| US9954162B2 | Reactive ionic liquid, and ion-immobilized metal oxide particle, ion-immobilized elastomer, and transducer using same | Electricity | 0 | Active |
| US8962866B2 | Surface-modified silica powder and method for producing the same, as well as toner composition for electrophotography | Chemistry; Metallurgy | 0 | Active |
| US9550865B2 | Reactive ionic liquid, and ion-immobilized metal oxide particle, ion-immobilized elastomer, and transducer using same | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US8742044B2 | Method for producing polymer nanocomposite, and flame-retardant polymer nanocomposite formed by the production method | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.