Yoshimitsu Yamaguchi
10Patents
7h-index
21Co-inventors
62Inventor score
Filing activity: Jul 2, 1985 → Sep 18, 1997
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5435870A | Filter element and manufacture method thereof | Performing Operations; Transporting | 182 | Expired |
| US5562825A | Filter element having a flat and non-flat configuration | Performing Operations; Transporting | 179 | Expired |
| US5120296A | Method and apparatus for forming filter element | Emerging Cross-Sectional Technologies | 38 | Expired |
| US4690349A | Device for supplying a long length of material | Performing Operations; Transporting | 15 | Expired |
| US4747816A | Apparatus for making a filter from a material for a filter element | Emerging Cross-Sectional Technologies | 10 | Expired |
| US4625499A | Device for loading products to a predetermined location | Performing Operations; Transporting | 9 | Expired |
| US4760910A | Aligning and feeding apparatus for elongated pieces | Performing Operations; Transporting | 7 | Expired |
| US5826479A | Cutting device | Emerging Cross-Sectional Technologies | 5 | Expired |
| US5931075A | Method and apparatus for cutting flat tube | Emerging Cross-Sectional Technologies | 3 | Expired |
| US4682694A | Method and device for removing defective products | Performing Operations; Transporting | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.