Average Co-Inventor Count = 1.50
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. Kokusan Denki Co., Ltd. (2 from 180 patents)
2 patents:
1. 3980922 - Capacitance discharge type breakerless ignition system for an internal
2. 3947710 - Flywheel type magneto generator for a rotary engine