Hiroaki Kawakami
36Patents
16h-index
70Co-inventors
84Inventor score
Filing activity: Feb 12, 1988 → Dec 10, 2014
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8927188B2 | Method of producing magnetic carrier and magnetic carrier that uses this production method | Physics | 55 | Active |
| US9665023B2 | Toner and two-component developer | Physics | 47 | Active |
| US5135833A | Electrostatic image developing toner and fixing method | Emerging Cross-Sectional Technologies | 47 | Expired |
| US8921023B2 | Magnetic carrier and two-component developer | Physics | 45 | Active |
| US4816366A | Process for producing toner through suspension polymerization | Physics | 40 | Expired |
| US4957774A | Method of heat-fixing toner image | Physics | 39 | Expired |
| US5707770A | Toner for developing electrostatic images, two component type developer, developing method, image forming method, heat fixing method, and process for producing toner | Physics | 38 | Expired |
| US7135263B2 | Toner | Physics | 38 | Expired |
| US6569589B2 | Toner, toner production process and image forming method | Physics | 35 | Expired |
| US5364722A | Toner for developing electrostatic image and heat-fixing method comprising a hydrocarbon wax | Emerging Cross-Sectional Technologies | 32 | Expired |
| US6287739A | Toner, image forming method, and apparatus unit | Physics | 30 | Expired |
| US6077636A | Toner, two-component developer, image forming method and apparatus unit | Physics | 30 | Expired |
| US5384224A | Toner for developing electrostatic image | Physics | 26 | Expired |
| US6183927A | Toner and image forming method | Physics | 26 | Expired |
| US5298354A | Electrostatic image developing toner and fixing method | Emerging Cross-Sectional Technologies | 21 | Expired |
| US5478686A | Fixable toner with a modified bisphenolic polyester resin | Physics | 20 | Expired |
| US5824442A | Developing method, image forming method, and heat fixing method, with toner | Physics | 16 | Expired |
| US5814429A | Heat fixing method employing peelable film between heater and recording medium | Physics | 15 | Expired |
| US6458502B1 | Process for producing polymerization toner | Physics | 14 | Expired |
| US6544708B2 | Image forming method | Physics | 13 | Expired |
| US6187495A | Yellow toner, process for producing the tower and image forming method using the toner | Physics | 12 | Expired |
| US8973333B2 | Connecting fitting, frame provided with same, and building using frame | Mechanical Engineering; Lighting; Heating | 11 | Active |
| US5389487A | Image forming process, image-forming apparatus, apparatus unit, and facsimile apparatus | Physics | 9 | Expired |
| US8925278B2 | Connecting fitting, bearing wall provided with same, and building using same | Fixed Constructions | 8 | Active |
| US5543900A | Image forming apparatus which reduces toner fusion on an image bearing member | Physics | 6 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.