Average Co-Inventor Count = 2.74
ph-index = 11
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. Canon Kabushiki Kaisha (37 from 90,756 patents)
2. Denshi Kabushiki Kaisha (1 from 1 patent)
38 patents:
1. 5731829 - Information processing and recording apparatus with two recording medium
2. 5690435 - Serial printing apparatus with sentence memory and display
3. 5562355 - Serial printing apparatus with sentence memory and display having
4. 5529406 - Document processing apparatus and method for printing a document read
5. 5484214 - Serial printing apparatus including an error correcting capability and
6. 5478158 - Output apparatus having a rotatable type wheel
7. 5322376 - Serial printing apparatus including an error correcting capability and
8. 5193923 - Automatically interchangeable type wheel type printing apparatus
9. 5108203 - Printing apparatus including error correction and memory means, for
10. 5085530 - Single motor moving ribbon and exchanging character holding member, all
11. 5037223 - Serial printing apparatus with controllable pitch
12. 4986677 - Electronic typewriter having improved paper and ink feed mechanisms
13. 4971466 - Printing apparatus having a rotatable member rotatable in incremental
14. 4880325 - Ink ribbon cassette including means for identifying the type of ink
15. 4865476 - Carriage mechanism providing movement of a print wheel motor