Manabu Ohno
48Patents
18h-index
64Co-inventors
84Inventor score
Filing activity: Dec 1, 1987 → Jun 5, 2007
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5841145A | Method of and system for exposing pattern on object by charged particle beam | Electricity | 43 | Expired |
| US5948584A | Toner for developing electrostatic images and image forming method | Physics | 38 | Expired |
| US5998080A | Electrostatic image-developing toner and image-forming method | Physics | 38 | Expired |
| US6222195A | Charged-particle-beam exposure device and charged-particle-beam exposure method | Electricity | 28 | Expired |
| US5307122A | Image forming apparatus apparatus unit facsimile apparatus and developer comprising hydrophobic silica fine powder for developing electrostatic images | Physics | 27 | Expired |
| US6096468A | Toner, toner production process, and image forming method | Physics | 27 | Expired |
| US4868084A | Developer for developing electrostatic latent image and image forming method | Physics | 26 | Expired |
| US5489498A | Toner for developing electrostatic image and method of manufacturing resin composition | Physics | 26 | Expired |
| US6177223A | Toner and image forming method using the toner | Physics | 26 | Expired |
| US5744276A | Toner for developing electrostatic image containing higher and lower molecular weight polymer components | Physics | 25 | Expired |
| US6214509A | Toner and image forming method | Physics | 24 | Expired |
| US5364720A | Magnetic developer for developing electrostatic images | Physics | 24 | Expired |
| US5955234A | Toner for developing electrostatic image, and image forming method | Physics | 23 | Expired |
| US5534981A | Image forming apparatus and developer for developing electrostatic images | Physics | 21 | Expired |
| US6346356B1 | Toner, toner production process, and image-forming method | Physics | 20 | Expired |
| US6337169B1 | Toner and image forming method using the toner | Physics | 19 | Expired |
| US5041351A | One component developer for developing electrostatic image and image forming method | Emerging Cross-Sectional Technologies | 19 | Expired |
| US5605778A | Toner with wax component for developing electrostatic image | Physics | 19 | Expired |
| US5830612A | Method of detecting a deficiency in a charged-particle-beam exposure mask | Electricity | 17 | Expired |
| US5976755A | Image forming method featuring a residual charge control property resulting from a selected toner formulation | Physics | 14 | Expired |
| US6667140B2 | Toner and image forming method | Physics | 14 | Expired |
| US6137111A | Charged particle-beam exposure device and charged-particle-beam exposure method | Electricity | 14 | Expired |
| US6447968B1 | Magnetic toner, process for producing magnetic toner, and image forming method | Physics | 14 | Expired |
| US5404019A | Charged particle exposure system having a capability of checking the shape of a charged particle beam used for exposure | Electricity | 14 | Expired |
| US6528224B2 | Toner for developing electrostatic images and image forming method | Physics | 13 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.