Average Co-Inventor Count = 5.00
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. Denso Corporation (1 from 19,697 patents)
2. Nippon Soken, Inc. (1 from 1,600 patents)
3. Inter-university Research Institute Corporation National Institutes of Natural Sciences (1 from 45 patents)
1 patent:
1. 7661401 - Laser type engine ignition device