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. Honda Giken Kogyo Kabushiki Kaisha (2 from 10,092 patents)
2. Nec Infrontia Corporation (1 from 290 patents)
3 patents:
1. 6707793 - Button telephone apparatus and internet communication system
2. 4555205 - Reamer holding device for machining valve seats
3. 4545706 - Method and machine for machining the surface of a valve seat