Average Co-Inventor Count = 2.40
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. Plus Stationery Corporation (3 from 38 patents)
2. Asahi Polyslider Company, Limited (3 from 14 patents)
6 patents:
1. D1010823 - Lancet
2. D884879 - Blood collecting device
3. D879950 - Blood collecting device
4. D619175 - Paper punch
5. D612890 - Hole punch for stationery
6. D598957 - Hole punch for stationery