Masafumi Uchida
33Patents
10h-index
43Co-inventors
75Inventor score
Filing activity: Mar 9, 1988 → Dec 17, 2013
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4863824A | Toner for developing electrostatic latent image | Emerging Cross-Sectional Technologies | 51 | Expired |
| US4917983A | Toner for developing an electrostatic latent image comprising linear polyester polymer | Emerging Cross-Sectional Technologies | 33 | Expired |
| US6395442B1 | Toner and production method of the same | Physics | 26 | Expired |
| US5047305A | Electrostatic-image developing polyester toner with release agent | Physics | 19 | Expired |
| US5631116A | Carrier for electrophotographic use | Emerging Cross-Sectional Technologies | 18 | Expired |
| US6472117B2 | Toner for developing electrostatic image and image forming method | Physics | 17 | Expired |
| US4960664A | Developer composition for developing electrostatic image and toner image forming process | Emerging Cross-Sectional Technologies | 15 | Expired |
| US6475685B2 | Electrostatically charged image developing toner, production method of the same, and an image forming method | Physics | 13 | Expired |
| US4877704A | Process for developing latent electrostatic image using toner containing polyester resin | Emerging Cross-Sectional Technologies | 10 | Expired |
| US5116713A | Toner for developing latent electrostatic image | Physics | 10 | Expired |
| US6090517A | Two component type developer for electrostatic latent image | Physics | 7 | Expired |
| US7144073B2 | Vehicle front structure | Performing Operations; Transporting | 6 | Expired |
| US5643704A | Two-component type developer for developing an electrostatic image | Physics | 6 | Expired |
| US6506529B2 | Toner for developing electrostatic latent image | Physics | 5 | Expired |
| US7547498B2 | Toner for developing electrostatic latent images and a production method for the same | Physics | 4 | Expired |
| US7018761B2 | Toner and image forming method | Physics | 3 | Expired |
| US5527558A | Method for preparation of a carrier for developing an electrostatic charge image | Physics | 3 | Expired |
| US7582402B2 | Image forming method | Physics | 2 | Active |
| US8622818B2 | Gaming machine and control method thereof | Physics | 2 | Active |
| US6806012B2 | Electrostatic image developing | Physics | 1 | Expired |
| US7258960B2 | Production apparatus of toner for developing electrostatic images, production method thereof, and toner for developing electrostatic images | Physics | 1 | Expired |
| US7316880B2 | Toner for developing a latent image and an image forming method employing the same | Physics | 1 | Expired |
| US7018765B2 | Toner particle having a hardnes of 6.0 to 24.0 mN and a circularity of 0.92 to 0.99 | Physics | 1 | Expired |
| US8485887B2 | Gaming machine executing free game and control method thereof | Physics | 0 | Active |
| US8187083B2 | Gaming machine executing free game and control method thereof | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.