Nobuaki Kubo
40Patents
9h-index
48Co-inventors
75Inventor score
Filing activity: Jun 19, 1987 → Feb 23, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6376837B1 | Optical scanning apparatus and image forming apparatus having defective light source detection | Electricity | 61 | Expired |
| US5294944A | Color image forming apparatus having means for properly superimposing image colors on each other | Electricity | 31 | Expired |
| US4962431A | Synchronizing signal generating system for laser scanner | Electricity | 25 | Expired |
| US7545547B2 | Scanning unit and image forming apparatus | Physics | 24 | Active |
| US5374980A | Color image forming apparatus utilizing liquid development | Physics | 22 | Expired |
| US5059774A | Seek and track control for a rectangular optical card handling apparatus | Physics | 21 | Expired |
| US4968997A | Recording sheet conveyor apparatus in an image recording apparatus | Physics | 19 | Expired |
| US7301554B2 | Light scanning device, scanning line adjusting method, scanning line adjusting control method, image forming apparatus, and image forming method | Physics | 15 | Expired |
| US6744513B2 | Computer color matching method of paint and preparing method of paint using the same method | Physics | 11 | Expired |
| US7710445B2 | Light source unit, optical scan apparatus, and image formation apparatus | Physics | 9 | Active |
| US7256238B2 | Modified block copolymer | Chemistry; Metallurgy | 8 | Expired |
| US8368736B2 | Optical scanning device and image forming apparatus | Physics | 8 | Active |
| US7800641B2 | Light source unit, optical scan apparatus, and image formation apparatus | Physics | 8 | Active |
| US8559053B2 | Optical scanning device and image forming device | Electricity | 7 | Active |
| US8531766B2 | Polarization-separation device, optical scanning apparatus, and image forming apparatus | Electricity | 7 | Active |
| US8848013B2 | Optical scanning device and image forming apparatus including a plurality of scanned members | Physics | 7 | Active |
| US8922863B2 | Optical scanning device and image forming apparatus | Physics | 6 | Active |
| US4867573A | Powder treating method and apparatus used therefor | Chemistry; Metallurgy | 5 | Expired |
| US6029853A | Dispersing method, dispersing apparatus and dispersing system having dispersing apparatus | Performing Operations; Transporting | 5 | Expired |
| US6660790B1 | Styrene polymer composition | Chemistry; Metallurgy | 5 | Expired |
| US8169457B2 | Light source apparatus, optical-beam scanning apparatus, and image forming apparatus | Physics | 4 | Active |
| US7414093B2 | Modified block copolymer | Chemistry; Metallurgy | 3 | Expired |
| US6969739B1 | Rubber composition | Emerging Cross-Sectional Technologies | 3 | Expired |
| US7122594B2 | Modified block copolymer composition | Chemistry; Metallurgy | 3 | Expired |
| US8143603B2 | Electrostatic latent image measuring device | Physics | 3 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.