Average Co-Inventor Count = 3.60
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. Toyo Kohan Co., Ltd. (2 from 260 patents)
2. Kozo Yoshizaki (1 from 1 patent)
3 patents:
1. 4086153 - Method of producing a composite coated steel sheet
2. 4023987 - Method of producing soft thin steel sheet by continuous annealing
3. 3982314 - Method of producing tin coated steel sheet used for seamless steel