Sindoricoh Co., Ltd.
23Patents
1Active
23Granted
31Portfolio score
Filing activity: Jul 13, 1988 → Nov 16, 2007 · 1 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6231039A | Sheet post-processing apparatus | Performing Operations; Transporting | 81 | Expired |
| US6164511A | Apparatus for moving a stapler to a stapling position | Performing Operations; Transporting | 26 | Expired |
| US5278677A | Device for removing document jamming generated at a transmitter of a facsimile using a contact image sensor | Electricity | 21 | Expired |
| US4937631A | Fusing unit for a copy machine | Physics | 18 | Expired |
| US5479240A | Method for controlling automatic discharge of jammed paper for automatic jam removal | Physics | 17 | Expired |
| US5303067A | Computer connection circuit in facsimile | Electricity | 16 | Expired |
| US4822025A | Device for sorting copied papers | Emerging Cross-Sectional Technologies | 15 | Expired |
| US5857670A | Paper arranging and positioning mechanism in a sorter with a stapler | Performing Operations; Transporting | 15 | Expired |
| US5048820A | Compact sorter | Performing Operations; Transporting | 11 | Expired |
| US6614556B1 | Apparatus for quantizing a digital image by using an error diffusion coefficient and threshold modulation in zigzag quantization | Electricity | 10 | Expired |
| US5257117A | Computer-facsimile system having separately a sending device and a receiving device | Electricity | 7 | Expired |
| US5390031A | Control information format construction used in transmitting image information | Electricity | 7 | Expired |
| US5161795A | Device and method for controlling a sorter | Performing Operations; Transporting | 6 | Expired |
| US5324019A | Automatic document feeder with solid bracket | Performing Operations; Transporting | 4 | Expired |
| US5332205A | Automatic document feeders for copying machines and method for automatically controlling such | Physics | 3 | Expired |
| US5178382A | Tray transferring apparatus of sorter for copy machine | Performing Operations; Transporting | 2 | Expired |
| US5217219A | Compact sorter for a copy machine | Performing Operations; Transporting | 2 | Expired |
| US5345293A | Feeder of continuous documents for a copy machine | Physics | 1 | Expired |
| US5125643A | Transfer wheel of compact sorter for copy machine | Performing Operations; Transporting | 1 | Expired |
| US5634630A | Stapler operating device with a sheet discharging mechanism for a copy machine | Performing Operations; Transporting | 1 | Expired |
| US8064654B2 | Facial region detection device and correction method for photoprinting | Physics | 0 | Active |
| US4978993A | Correction device for non-uniform illuminations in ratio-variable copy machine | Physics | 0 | Expired |
| US5169143A | Bin tray transferring apparatus of compact sorter for copy machine | Performing Operations; Transporting | 0 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.