Average Co-Inventor Count = 1.61
ph-index = 10
The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.
Company Filing History:
1. Other (8 from 832,880 patents)
2. Varitronic Systems, Inc. (8 from 18 patents)
3. Insignia Systems, Inc. (1 from 1 patent)
19 patents:
1. 5366307 - Printing control system and method for scalably controlling print energy
2. 5085529 - Thermal printing system with encoded sheet set
3. 5078523 - Tape cassette with identifying circuit element for printing machine
4. D302788 - Push button lock module for attachment to a door knob
5. 4815871 - Head control apparatus
6. 4810014 - Motor driven lock control
7. 4754625 - Electrically controlled lock
8. 4736970 - Electrically controlled door lock
9. 4683820 - Printing mechanism
10. D290134 - Print disk
11. 4595305 - Ribbon cassette
12. 4579056 - Printing mechanism
13. 4548523 - Precision tape feed and guide mechanism
14. 4544289 - Print disk positioning system
15. D263603 - Conversion calculator or similar article