Average Co-Inventor Count = 4.70
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 3,554 patents)
2. Asahi Kasei Kogyo Kabushiki Kaisha (1 from 1,297 patents)
3. Kurosaki Refractories Co., Ltd. (1 from 46 patents)
4. Fourteen Co., Ltd (1 from 1 patent)
4 patents:
1. 6099414 - Golf club head and method for producing the same
2. 6077369 - Method of straightening wire rods of titanium and titanium alloy
3. 4839317 - Lightweight heat-insulating tundish coating material
4. 4152140 - Method for producing killed steels for continuous casting