Danilo P. Buan
21Patents
8h-index
14Co-inventors
68Inventor score
Filing activity: Mar 17, 1975 → Dec 23, 1991
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5074418A | Ink replenishing system transport and storage container | Performing Operations; Transporting | 52 | Expired |
| US4579054A | Stand-alone electronic mailing machine | Physics | 37 | Expired |
| US4336529A | Postage meter having shielded keyboard to protect against electromagnetic radiation | Electricity | 35 | Expired |
| US3996428A | Pushbutton keyboard assembly with over center diaphragm contact | Electricity | 21 | Expired |
| US5056433A | Ink tray with dispersion channels | Physics | 18 | Expired |
| US4982202A | Thermal printing cartridge | Performing Operations; Transporting | 9 | Expired |
| US4401031A | Disposable self contained ink cartridge for value printing device | Performing Operations; Transporting | 9 | Expired |
| US4929106A | Platen module | Performing Operations; Transporting | 8 | Expired |
| US5259878A | Ink tray | Physics | 7 | Expired |
| US4500780A | Apparatus and method for aligning postage meter components with an optical sensor | Physics | 7 | Expired |
| US4489651A | Mailing machine having an envelope stripping device | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4441420A | Envelope ejection mechanism for a mailing machine | Physics | 6 | Expired |
| US4945831A | Ink tray drive | Physics | 6 | Expired |
| US5049727A | Locking device for removable postage meter | Physics | 5 | Expired |
| US5414449A | Thermal transfer printing apparatus | Performing Operations; Transporting | 5 | Expired |
| US4580496A | Inker mounting arrangement for a value printing device | Performing Operations; Transporting | 4 | Expired |
| US4458593A | Indicia plate for a postage meter | Physics | 3 | Expired |
| US4606270A | Inking apparatus for a value printing device | Physics | 2 | Expired |
| US5186752A | Inking system for flat-bed mail processing system | Physics | 0 | Expired |
| US4412491A | System for sensing an inking member in a value printing device | Performing Operations; Transporting | 0 | Expired |
| US5142127A | Tape feed device for a postage meter mailing machine | Physics | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.