Inventor · San Diego, CA, US

Keith E. Cobbs

7Patents
7h-index
5Co-inventors
48Inventor score

Filing activity: Jan 31, 1989 → Oct 11, 1995

Most-cited inventions

PatentTitleAreaCited byStatus
US5600350A Multiple inkjet print cartridge alignment by scanning a reference pattern and sampling same with reference to a position encoder Performing Operations; Transporting 139 Expired
US5250956A Print cartridge bidirectional alignment in carriage axis Performing Operations; Transporting 99 Expired
US5448269A Multiple inkjet cartridge alignment for bidirectional printing by scanning a reference pattern Performing Operations; Transporting 73 Expired
US5451990A Reference pattern for use in aligning multiple inkjet cartridges Performing Operations; Transporting 66 Expired
US4922270A Inter pen offset determination and compensation in multi-pen thermal ink jet pen printing systems Performing Operations; Transporting 50 Expired
US5404020A Phase plate design for aligning multiple inkjet cartridges by scanning a reference pattern Performing Operations; Transporting 38 Expired
US5109239A Inter pen offset determination and compensation in multi-pen ink jet printing systems Performing Operations; Transporting 33 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.