Average Co-Inventor Count = 5.83
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. Nippon Steel Corporation (1 from 3,554 patents)
2. Asahi Kasei Kogyo Kabushiki Kaisha (1 from 1,297 patents)
3. Asahi Kasei Kabushiki Kaisha (1 from 943 patents)
4. Fourteen Co., Ltd (1 from 1 patent)
2 patents:
1. 7364628 - Solid material for magnet
2. 6099414 - Golf club head and method for producing the same