Average Co-Inventor Count = 4.09
ph-index = 1
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. Aisin Seiki Kabushiki Kaisha (1 from 5,207 patents)
2. Japan Petroleum Exploration Co., Ltd. (1 from 80 patents)
3. Japan Fine Ceramics Center (1 from 45 patents)
4. Medtronic Sofamor Danek, Co., Ltd. (1 from 2 patents)
3 patents:
1. 11602381 - Spinal implant system and method
2. 10686350 - Manufacturing method of rotary electric machine and rotary electric machine
3. 9486734 - Helium gas separator material and method for producing the same