Average Co-Inventor Count = 2.23
ph-index = 4
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. Riso Kagaku Corporation (6 from 1,074 patents)
2. Alps Alpine Co., Ltd. (2 from 556 patents)
3. Riso Kogaku Corporation (1 from 3 patents)
9 patents:
1. 11325546 - Rotary connector
2. 10289149 - Input operating apparatus
3. 6632034 - Printing machine for booklet-like medium
4. 6208438 - Reflection type image reader having an original positioning sheet
5. 5608496 - Print image position indication device
6. 5507225 - Stencil printer equipped with print image transverse position adjustment
7. 5506661 - Image forming apparatus
8. 5483878 - Mimeographic printing machine
9. 5419243 - Rotary stencil printer equipped with pinch roller position control means