Average Co-Inventor Count = 2.27
ph-index = 4
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. Toyo Kogyo Co., Ltd. (4 from 264 patents)
2. Mazda Motor Corporation (2 from 4,680 patents)
3. Other (1 from 832,812 patents)
4. Daikin Industries, Ltd. (1 from 4,275 patents)
6 patents:
1. 4748824 - Refrigeration apparatus for transport container
2. 4495929 - Exhaust gas recirculation system for diesel engines
3. 4388901 - Lubricating oil supply system for a supercharged rotary piston engine
4. 4271095 - Idle adjusting device for a carburetor
5. 4108137 - Rotary piston engines
6. 4030454 - Rotary piston engines