Average Co-Inventor Count = 5.43
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. Nippon Steel Corporation (4 from 3,562 patents)
2. Mitsubishi Jidosha Kogyo Kabushiki Kaisha (2 from 1,627 patents)
3. Tsubakimoto Chain Company (1 from 906 patents)
4. Showa Electric Wire & Cable Co., Ltd. (1 from 53 patents)
5. Showa Electric Wire & Cable (1 from 1 patent)
7 patents:
1. 6202780 - Cruise control system for motor vehicle
2. 6062189 - Spark ignition type in-cylinder injection internal combustion engine
3. 5780984 - Apparatus and method for controlling rotation frequency of infinite
4. 5624104 - Vibration isolating supporter
5. 5595371 - Vibration isolating supporter
6. 5405460 - Fe-Cr-Al alloy steel sheet and process for producing the same
7. 4828015 - Continuous casting process for composite metal material