Average Co-Inventor Count = 1.81
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. Kabushiki Kaisha Toshiba (8 from 52,752 patents)
2. Tokyo Shibaura Denki Kabushiki Kaisha (7 from 2,916 patents)
3. Dai Nippon Printing Co., Ltd. (2 from 3,202 patents)
4. Toshiba Corporation (1 from 193 patents)
16 patents:
1. 5250793 - Conveying apparatus for ticket processing machine
2. 4988853 - Ticket checking/issuing apparatus in which friction holds a ticket while
3. 4900909 - Card printing apparatus
4. 4815872 - Method, apparatus and thermal print ribbon to provide a protective layer
5. 4738555 - Method, apparatus and thermal print ribbon to provide a protective layer
6. 4642659 - Image building apparatus
7. 4623901 - Method and apparatus for printing an image
8. 4586834 - Transfer apparatus for monochromatic or multi-color printing
9. 4562444 - Thermal transfer electroprinting apparatus
10. 4542387 - Thermal transfer type printing apparatus
11. 4527172 - Thermal transfer recording apparatus
12. 4517590 - Color printing apparatus
13. 4517591 - Color printing apparatus
14. 4511902 - Thermal transfer type printing apparatus
15. 4446467 - Heat-sensitive recording sheet, and a method and device for fixing a