Average Co-Inventor Count = 1.00
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. Kimura Bed Mfg. Company Limited (3 from 6 patents)
2. Imac Engineering Co., Ltd. (0 patent)
3 patents:
1. 4531939 - Vacuum suction type urinating aid
2. 4443217 - Suction type urinating aid
3. 4366818 - Vacuum type urinating aid