Robert J. Japenga
11Patents
11h-index
13Co-inventors
65Inventor score
Filing activity: Jun 28, 1979 → Jul 16, 1997
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5615120A | Electronic postage scale system and method | Physics | 55 | Expired |
| US4641269A | Programmable control system for glassware forming machines | Chemistry; Metallurgy | 55 | Expired |
| US5675493A | Electronic postage scale system and method | Physics | 34 | Expired |
| US5841076A | Electronic scale system with programmable function keys | Physics | 32 | Expired |
| US4402721A | Computer control for glassware forming machine | Emerging Cross-Sectional Technologies | 28 | Expired |
| US5905232A | Electronic postage scale system and method | Physics | 24 | Expired |
| US5780778A | Electronic postage scale system and method | Physics | 22 | Expired |
| US6462286B1 | Electronic postage scale system and method | Physics | 19 | Expired |
| US6013878A | Adjustable display for use with an electronic postage scale system | Emerging Cross-Sectional Technologies | 18 | Expired |
| US4453963A | Method and apparatus for controlling the delivery of gobs to a section of a glassware forming machine | Emerging Cross-Sectional Technologies | 15 | Expired |
| US6153835A | System and method for an electronic postage scale with variable function keys and window screens | Physics | 14 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.