Harley D. Johnson
12Patents
11h-index
16Co-inventors
69Inventor score
Filing activity: Aug 18, 1975 → Jul 5, 2005
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5247434A | Method and apparatus for kidney dialysis | Human Necessities | 722 | Expired |
| US5486286A | Apparatus for performing a self-test of kidney dialysis membrane | Emerging Cross-Sectional Technologies | 445 | Expired |
| US5744027A | Apparatus for kidney dialysis | Emerging Cross-Sectional Technologies | 414 | Expired |
| US6284131A | Method and apparatus for kidney dialysis | Emerging Cross-Sectional Technologies | 315 | Expired |
| US7318892B2 | Method and apparatus for kidney dialysis | Emerging Cross-Sectional Technologies | 234 | Expired |
| US5326476A | Method and apparatus for kidney dialysis using machine with programmable memory | Emerging Cross-Sectional Technologies | 217 | Expired |
| US7303680B2 | Method and apparatus for kidney dialysis | Emerging Cross-Sectional Technologies | 149 | Expired |
| US7351340B2 | Methods for providing kidney dialysis equipment and services | Physics | 84 | Expired |
| US7264730B2 | Methods for kidney dialysis | Emerging Cross-Sectional Technologies | 78 | Expired |
| US4205758A | Replacement oil pan plug | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| US4003835A | Fittings | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| US6567016B1 | Typematic guard protocol for wireless keyboards | Physics | 8 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.