Average Co-Inventor Count = 2.80
ph-index = 6
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. Hitachi, Ltd. (5 from 42,517 patents)
2. Kyushu Hitachi Maxell, Ltd. (2 from 37 patents)
7 patents:
1. D625407 - Automatic urine accumulator
2. 7722584 - Automatic urine collection apparatus
3. 7438706 - Automatic urine collecting apparatus
4. D564655 - Automatic urine accumulator
5. D536782 - Automatic urine accumulator
6. 4714200 - Nozzle for sprayer
7. 4618099 - Electric spray