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. Ishikawajima-Harima Heavy Industries Co., Ltd. (1 from 341 patents)
2. Ishikawajima-Harima Jukogyo Kabushiki Kaisha (1 from 306 patents)
3. Bhp Steel (Jla) Pty. Ltd. (1 from 59 patents)
2 patents:
1. 5638891 - Casting roll
2. 5227347 - Sintered product for making sheath used for continuous thin plate