Masaki Ishii
31Patents
5h-index
38Co-inventors
69Inventor score
Filing activity: Dec 19, 1989 → Nov 29, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5457572A | Rear-projection screen | Physics | 33 | Expired |
| US5675435A | Rear projection image display device | Physics | 20 | Expired |
| US5432636A | Rear-projection screen | Physics | 6 | Expired |
| US4965114A | Optical recording medium | Emerging Cross-Sectional Technologies | 6 | Expired |
| US7706026B2 | Protecting document from undesired alteration and undesired reproduction | Physics | 6 | Active |
| US6592858B1 | Fiber structure having deodorizing or antibacterial property | Emerging Cross-Sectional Technologies | 5 | Expired |
| US6540792B1 | Cellulose fiber-containing structure | Textiles; Paper | 5 | Expired |
| US8014559B2 | Information embedding apparatus, information embedding method, information extracting apparatus, information extracting method, computer program product | Physics | 4 | Active |
| US7590289B2 | Method, apparatus, and program for image processing capable of preventing and detecting tampering, and a medium storing the program | Physics | 4 | Expired |
| US7660020B2 | Method and apparatus for controlling image processing for extraction assured embedding, and recording medium storing program product | Electricity | 4 | Active |
| US7426284B2 | Method, apparatus, and program for image processing capable of effectively preventing and detecting tampering, and a medium storing the program | Electricity | 4 | Active |
| US6344207B1 | Molded antimicrobial article and a production process thereof | Emerging Cross-Sectional Technologies | 4 | Expired |
| US8054508B2 | Image processing apparatus, method, and computer program product that generates and encodes coupled information identifying image copying and processing devices | Electricity | 3 | Active |
| US7668336B2 | Extracting embedded information from a document | Physics | 3 | Active |
| US7715055B2 | Detection of undesired document alteration and duplication, and generating verification data for such detection | Physics | 2 | Active |
| US8009860B2 | Image processing apparatus, method, program and recording medium for extracting embedded information | Electricity | 2 | Active |
| US6852460B2 | Toner and image forming method using the same | Physics | 2 | Expired |
| US8276049B2 | Information processing device and method | Electricity | 2 | Active |
| US9369627B2 | Video processing apparatus, video processing system, and video processing method | Electricity | 1 | Active |
| US9042675B2 | Image processing apparatus, image processing method, and computer-readable recording medium which corrects an image such that some of warping of the image is left | Electricity | 1 | Active |
| US8416462B2 | Information processing apparatus, method, program, and storage medium | Electricity | 1 | Active |
| US9996770B2 | Image processing method, image processing apparatus, recording medium, and method of manufacturing assembly | Physics | 1 | Active |
| US8614835B2 | Image processing apparatus, image processing method, and computer program product | Electricity | 0 | Active |
| US8514457B2 | Information extraction apparatus, information extraction method, information-extraction computer program product, and storage medium | Electricity | 0 | Active |
| US11244272B2 | Patrol check system, patrol check device, patrol check method, and storage medium | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.