Average Co-Inventor Count = 2.40
ph-index = 3
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. Toyota Jidosha Kogyo Kabushiki Kaisha (3 from 1,838 patents)
3 patents:
1. 4209495 - Catalytic converter system for an internal combustion engine
2. 4187815 - Intake fuel mixture heating system for internal combustion engine
3. 4074090 - Distributor rotor electrode having silicon coating for suppressing peaks