Growing community of inventors

Kawasaki, Japan

Tetsuya Sampei

Average Co-Inventor Count = 2.00

ph-index = 1

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.

Forward Citations = 3

Tetsuya SampeiChiaki Ouchi (2 patents)Tetsuya SampeiTetsuya Sampei (2 patents)Chiaki OuchiChiaki Ouchi (13 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Nippon Kokan Kabushiki Kaisha (2 from 487 patents)


2 patents:

1. 4408652 - Method of continuously casting nickel containing steel wherein surface

2. 4329172 - High manganese nonmagnetic steel having excellent machinability

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as of
12/6/2025
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