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. Parker-hannifin Corporation (2 from 1,663 patents)
2. Sun Chemical Corporation (1 from 590 patents)
3 patents:
1. 4414463 - Diesel glow-plug ignitor
2. 4120069 - Adapter for coupling windshield wiper blade holder with hooked wiper arm
3. 4005503 - Windshield wiper blade refill