Akihiro Usami
33Patents
16h-index
47Co-inventors
81Inventor score
Filing activity: Aug 1, 1984 → Jul 27, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5753220A | Cysteine protease gene defective baculovirus, process for its production, and process for the production of economic protein by using the same | Chemistry; Metallurgy | 81 | Expired |
| US5844699A | Color image processing apparatus | Electricity | 63 | Expired |
| US5608549A | Apparatus and method for processing a color image | Physics | 46 | Expired |
| US5748342A | Image processing apparatus and method | Electricity | 39 | Expired |
| US5126838A | Color image processing with undercolor removal suitable for use in digital processing | Electricity | 37 | Expired |
| US5485284A | Image processing system for performing color image data calibration | Electricity | 34 | Expired |
| US7391917B2 | Image processing method | Physics | 31 | Expired |
| US5142356A | Color image reading apparatus or color image forming apparatus capable of performing color adjustment | Electricity | 31 | Expired |
| US5594558A | Color image processing apparatus | Electricity | 31 | Expired |
| US6975418B1 | Copying machine, image processing apparatus, image processing system and image processing method | Electricity | 27 | Expired |
| US6473196B2 | Image forming apparatus and method | Electricity | 26 | Expired |
| US5386305A | Color imaging processing method and apparatus for suppressing color blurs | Electricity | 25 | Expired |
| US5459589A | Color image processing apparatus | Electricity | 22 | Expired |
| US5315415A | Color image processing apparatus | Electricity | 22 | Expired |
| US5696840A | Image processing apparatus | Electricity | 20 | Expired |
| US4627712A | Image density control apparatus | Physics | 20 | Expired |
| US7349577B2 | Image processing method and image processing system | Emerging Cross-Sectional Technologies | 16 | Expired |
| US6438271B1 | Image reading apparatus | Electricity | 13 | Expired |
| US5434645A | Color image processing apparatus | Electricity | 13 | Expired |
| US5422739A | Color expressing method, color image reading apparatus and color image processing apparatus | Electricity | 12 | Expired |
| US4702590A | Image density control apparatus | Physics | 11 | Expired |
| US5748328A | Color image processing apparatus which forms dot images at varying positions on a scanning line | Electricity | 10 | Expired |
| US7664321B2 | Image processing method, system, program, program storage medium and information processing apparatus | Electricity | 10 | Expired |
| US5815291A | Image reading apparatus | Electricity | 10 | Expired |
| US5489997A | Color image processing apparatus | Electricity | 8 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.