Average Co-Inventor Count = 4.67
ph-index = 3
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 (3 from 3,554 patents)
2. Asahi Kasei Kogyo Kabushiki Kaisha (1 from 1,297 patents)
3. Toho Titanium Co., Ltd. (1 from 133 patents)
4. Fourteen Co., Ltd (1 from 1 patent)
5. Trans-tokyo Bay Highway Corporation (1 from 1 patent)
3 patents:
1. 6099414 - Golf club head and method for producing the same
2. 6063211 - High strength, high ductility titanium-alloy and process for producing
3. 5193939 - Marine structure having superior corrosion resistance