Average Co-Inventor Count = 5.62
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. Ricoh Company, Ltd. (4 from 28,577 patents)
4 patents:
1. 6424429 - File system and a recording medium with a program used in the system stored therein
2. 6035282 - Information processing apparatus and method utilizing useful additional
3. 5819235 - Information processing apparatus and method utilizing useful
4. 5649188 - Electronic filing apparatus which allows information to be retrieved