Lexmark International, Inc.
3,013Patents
1,551Active
3,013Granted
57Portfolio score
Filing activity: Sep 28, 1982 → Jul 2, 2024 · 700 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5727135A | Multiple printer status information indication | Physics | 336 | Expired |
| US5577243A | Reallocation of returned memory blocks sorted in predetermined sizes and addressed by pointer addresses in a free memory list | Emerging Cross-Sectional Technologies | 251 | Expired |
| US5699494A | Remote replication of printer operator panel | Physics | 242 | Expired |
| US6038636A | Method and apparatus for reclaiming and defragmenting a flash memory device | Physics | 201 | Expired |
| US5995772A | Imaging apparatus cartridge including an encoded device | Physics | 181 | Expired |
| US6161915A | Identification of thermal inkjet printer cartridges | Emerging Cross-Sectional Technologies | 174 | Expired |
| US5488627A | Spread spectrum clock generator and associated method | Electricity | 157 | Expired |
| US6155678A | Replaceable ink cartridge for ink jet pen | Performing Operations; Transporting | 147 | Expired |
| US6155664A | Off-carrier inkjet print supply with memory | Performing Operations; Transporting | 145 | Expired |
| US6481829B1 | Manually actuated carrier latch mechanism | Performing Operations; Transporting | 141 | Expired |
| US6095633A | Process for priming a multi-chamber ink jet print head | Performing Operations; Transporting | 138 | Expired |
| US6375314B1 | Removable cassette having integrated supply of consumables | Performing Operations; Transporting | 129 | Expired |
| US5550957A | Multiple virtual printer network interface | Physics | 128 | Expired |
| US5940095A | Ink jet print head identification circuit with serial out, dynamic shift registers | Performing Operations; Transporting | 125 | Expired |
| US5995774A | Method and apparatus for storing data in a non-volatile memory circuit mounted on a printer's process cartridge | Physics | 122 | Expired |
| US5867183A | Apparatus for driving multiple ink jet printheads with a single set of drive outputs | Performing Operations; Transporting | 121 | Expired |
| US6003069A | Client/server printer driver system | Physics | 118 | Expired |
| US6366174B1 | Method and apparatus for providing a clock generation circuit for digitally controlled frequency or spread spectrum clocking | Electricity | 117 | Expired |
| US5699493A | Method and apparatus for providing job accounting information to a host computer from a printer | Physics | 115 | Expired |
| US5930466A | Method and apparatus for data compression of bitmaps using rows and columns of bit-mapped printer data divided into vertical slices | Physics | 111 | Expired |
| US5510820A | Device for ink refill of a reservoir in a print cartridge | Performing Operations; Transporting | 110 | Expired |
| US5631920A | Spread spectrum clock generator | Electricity | 106 | Expired |
| US5802420A | Method and apparatus for predicting and displaying toner usage of a printer | Physics | 105 | Expired |
| USD450323S | Printer properties graphical user interface computer icon for a display | General | 100 | Expired |
| US5916309A | System for dynamically determining the size and number of communication buffers based on communication parameters at the beginning of the reception of message | Physics | 98 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.