Seiichi Yamagata
22Patents
11h-index
27Co-inventors
75Inventor score
Filing activity: Apr 9, 1974 → Apr 25, 2001
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6343987B1 | Image processing device, image processing method and recording medium | Human Necessities | 198 | Expired |
| US4484436A | Process for producing a twisted yarn | Textiles; Paper | 36 | Expired |
| US4415611A | Artificial fur having guard hair fibers and under fur fibers and a method for manufacturing the same | Emerging Cross-Sectional Technologies | 33 | Expired |
| US4546020A | Artificial fur with guard hair fibers and under fur fibers | Emerging Cross-Sectional Technologies | 26 | Expired |
| US3978648A | Helically wrapped yarn | Textiles; Paper | 25 | Expired |
| US4114358A | Method and apparatus for commencing the yarn forming operation of a fasciated yarn | Textiles; Paper | 22 | Expired |
| US4798748A | Artificial fur | Emerging Cross-Sectional Technologies | 21 | Expired |
| US3992865A | Method and apparatus to start interrupt and stop spinning of a fasciated spun yarn | Textiles; Paper | 21 | Expired |
| US4003194A | Method and apparatus for producing helically wrapped yarn | Textiles; Paper | 19 | Expired |
| US4773135A | Method for manufacturing artificial furs | Textiles; Paper | 15 | Expired |
| US4729215A | Yarn for manufacturing artificial furs | Textiles; Paper | 11 | Expired |
| US4509321A | Apparatus for manufacturing fasciated yarn | Textiles; Paper | 8 | Expired |
| US4414800A | Twisted yarn and method of producing the same | Textiles; Paper | 7 | Expired |
| US5609935A | Fur-like piled fabric and method for production thereof | Emerging Cross-Sectional Technologies | 7 | Expired |
| US6738067B2 | Image processing device, image processing method and recording medium | Human Necessities | 6 | Expired |
| US4781951A | Artificial fur | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4383403A | Multicolored yarn and method | Emerging Cross-Sectional Technologies | 5 | Expired |
| US4593522A | Method and apparatus for producing spun yarn | Textiles; Paper | 4 | Expired |
| US6958751B2 | Image processing device, image processing method and recording medium | Human Necessities | 4 | Expired |
| US4429523A | Process for making fasciated spun yarn | Textiles; Paper | 3 | Expired |
| US4463549A | Apparatus for making fasciated spun yarn | Textiles; Paper | 2 | Expired |
| US4667703A | Apparatus for manufacturing double connecting pile fabric | Textiles; Paper | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.