Average Co-Inventor Count = 1.54
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. Toyota Jidosha Kabushiki Kaisha (8 from 36,771 patents)
2. Ngk Insulators, Inc. (1 from 4,924 patents)
8 patents:
1. 12352225 - Vehicle
2. 12247510 - Electrically heating support and exhaust gas purification device
3. 11434998 - Compressor
4. 11085452 - Gas compression device and method for manufacturing the same
5. 11063274 - Fuel cell system and control method of fuel cell system
6. 8925504 - Variable valve operating apparatus for internal combustion engine
7. 8495976 - Oil control valve and hydraulic control apparatus
8. 8186318 - Variable valve operating apparatus for internal combustion engine