Average Co-Inventor Count = 4.00
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. Fujisawa Pharmaceutical Company, Ltd. (1 from 940 patents)
2. Nipro Corporation (1 from 374 patents)
3. Nissho Corporation (1 from 120 patents)
4. Itochu Corporation (1 from 21 patents)
5. The Sailor Pen Co., Ltd. (1 from 18 patents)
3 patents:
1. 7294122 - Transfer needle
2. 6021680 - Pipette
3. 4922597 - Box for disposing of used injection needles