Jun Sakai
107Patents
15h-index
162Co-inventors
89Inventor score
Filing activity: Mar 4, 1987 → Mar 7, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5059266A | Apparatus and method for forming three-dimensional article | Physics | 318 | Expired |
| US4875074A | Image recording apparatus | Physics | 109 | Expired |
| US5278368A | Electrostatic relay | Electricity | 64 | Expired |
| US6848320B2 | Mechanical deformation amount sensor | Emerging Cross-Sectional Technologies | 40 | Expired |
| US4714943A | Imaging device | Physics | 32 | Expired |
| US6136490A | Polymerized toner | Physics | 29 | Expired |
| US5366837A | Image receiving sheet and image transferring method employing the image receiving sheet | Physics | 25 | Expired |
| US5662736A | Hot melt ink | Chemistry; Metallurgy | 24 | Expired |
| US4865938A | Photo and pressure sensitive recording media comprising an adhesive agent | Emerging Cross-Sectional Technologies | 22 | Expired |
| US4810614A | Method of recording information on photosensitive and pressure-sensitive sheet utilizing mask original form | Emerging Cross-Sectional Technologies | 21 | Expired |
| US5043314A | Recording medium | Physics | 20 | Expired |
| US5426412A | Infrared detecting device and infrared detecting element for use in the device | Physics | 18 | Expired |
| US4772922A | Copying apparatus | Physics | 18 | Expired |
| US7477243B2 | Apparatus for controlling the shift of virtual space and method and program for controlling same | Physics | 18 | Expired |
| US4825256A | Image recording device | Physics | 16 | Expired |
| US5669965A | Hot melt ink | Chemistry; Metallurgy | 15 | Expired |
| US5722036A | Manufacturing process of connecting rod assembly and compacting die | Emerging Cross-Sectional Technologies | 15 | Expired |
| US5958640A | Polymerized toner and production process thereof | Physics | 14 | Expired |
| US5047090A | Semiconductor device | Emerging Cross-Sectional Technologies | 14 | Expired |
| US7537809B2 | Rotating member and method for coating the same | Emerging Cross-Sectional Technologies | 12 | Expired |
| US4992822A | Optical printing system | Physics | 11 | Expired |
| US4916323A | Optical control circuit and a semiconductor device for realizing same | Emerging Cross-Sectional Technologies | 11 | Expired |
| US5878323A | Process for producing split type mechanical part | Emerging Cross-Sectional Technologies | 11 | Expired |
| US5952144A | Production process of toner for development of electrostatic latent image | Physics | 10 | Expired |
| US5348976A | Condensed heterocyclic derivatives and agricultural or horticultural fungicides containing the same | Chemistry; Metallurgy | 10 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.