Average Co-Inventor Count = 2.00
ph-index = 1
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. Tohatsu Corporation (1 from 11 patents)
2 patents:
1. D1090637 - Outboard motor for motorboats
2. D1039220 - Fire extinguishing pump