Average Co-Inventor Count = 2.14
ph-index = 2
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. Ntt Infrastructure Network Corporation (3 from 7 patents)
2. Ntt Infrasturcture Corporation (1 from 1 patent)
3. Ntt Infrastructure Corporation (1 from 1 patent)
5 patents:
1. D641611 - Jig for positioning rods
2. 7343658 - Reinforcement member arrangement jig for concrete electric pole
3. D530189 - Instrument for suspending reinforcements for a telegraph pole
4. D509129 - Instrument for suspending reinforcements for a telegraph pole
5. 6890461 - Method of reinforcing concrete electric pole