Average Co-Inventor Count = 5.52
ph-index = 2
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. Ito Co., Ltd. (2 from 22 patents)
2. Ricoh Company, Ltd. (1 from 28,577 patents)
3 patents:
1. 8328730 - Living body measurement apparatus
2. 8246553 - Muscle hardness meter
3. 4717965 - Portable image forming device