Average Co-Inventor Count = 2.14
ph-index = 3
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. Ricoh Company, Ltd. (3 from 28,544 patents)
3 patents:
1. 7830871 - Communication apparatus, communication method and communication program
2. 5521371 - Rewritable bar code display medium, and image display method and image
3. 5298476 - Rewritable bar code display medium, and image display method and image