Hiroyuki Funahashi
32Patents
10h-index
24Co-inventors
75Inventor score
Filing activity: Mar 26, 1973 → Jul 8, 2010
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6310694A | Mail transmission system with cancel mail sending function | Electricity | 620 | Expired |
| US6160631A | Printing system | Electricity | 26 | Expired |
| US6426799B1 | Mail printing system with printer selecting function | Electricity | 26 | Expired |
| US6932523B1 | Printing system including a printer and client devices connected by a network | Electricity | 21 | Expired |
| US5433187A | Diamond cutting saw blades | Performing Operations; Transporting | 18 | Expired |
| US5610555A | Low-voltage driven, audio signal amplifying apparatus and a portable acoustic system using said apparatus | Electricity | 15 | Expired |
| US4929105A | Paper feeding apparatus for printer | Emerging Cross-Sectional Technologies | 13 | Expired |
| US6114686A | Current-to-voltage conversion IC and a photoelectric conversion IC | Electricity | 13 | Expired |
| US6449055B1 | Printing system | Electricity | 12 | Expired |
| US6268926A | Mail transmission/reception system | Physics | 11 | Expired |
| US5257035A | Perfecting printer and method for controlling double-face printing operation thereof | Performing Operations; Transporting | 10 | Expired |
| US4970661A | Perfecting printer and method for controlling double-face printing operation thereof | Emerging Cross-Sectional Technologies | 9 | Expired |
| US5982510A | Information recording device which selects paper tray and shifts output according to received image data or source | Electricity | 8 | Expired |
| US4844638A | Paper feeder for a printer | Performing Operations; Transporting | 7 | Expired |
| US6317193A | Image forming apparatus | Electricity | 7 | Expired |
| US6333791A | Mail printing system with print confirming function | Physics | 6 | Expired |
| US5309297A | Digital cassette tape reproducing device including novel drive circuit | Physics | 5 | Expired |
| US7933032B2 | Image forming apparatus | Physics | 5 | Active |
| US5754668A | Equalizer and audio device using the same | Electricity | 4 | Expired |
| US7808658B2 | Printing system and printing apparatus | Electricity | 3 | Active |
| US7340514B2 | Printing system using email to notify client devices of printing management information of print data sets | Electricity | 3 | Expired |
| US6788902B2 | Service support system and method for image forming apparatus | Physics | 3 | Expired |
| US7207734B2 | Printing system providing print controller capability to retrieve amend and update data stored in local memory of a printer | Electricity | 2 | Expired |
| US6572288B1 | Printing system and method of managing data in the printing system | Physics | 2 | Expired |
| US5191298A | Isolation amplifier circuit | Electricity | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.