Growing community of inventors

Chiba-ken, Japan

Hiroshi Oba

Average Co-Inventor Count = 4.00

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.

Forward Citations = 13

Hiroshi ObaSeiki Nishida (7 patents)Hiroshi ObaIkuo Ochiai (7 patents)Hiroshi ObaAkifumi Kawana (6 patents)Hiroshi ObaOsami Serkiawa (1 patent)Hiroshi ObaHiroshi Oba (7 patents)Seiki NishidaSeiki Nishida (25 patents)Ikuo OchiaiIkuo Ochiai (11 patents)Akifumi KawanaAkifumi Kawana (9 patents)Osami SerkiawaOsami Serkiawa (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Nippon Steel Corporation (7 from 3,542 patents)


7 patents:

1. 5665182 - High-carbon steel wire rod and wire excellent in drawability and methods

2. 5662747 - Bainite wire rod and wire for drawing and methods of producing the same

3. 5658399 - Bainite wire rod and wire for drawing and methods of producing the same

4. 5658402 - High-carbon steel wire rod and wire excellent in drawability and methods

5. 5650027 - High-carbon steel wire rod and wire excellent in drawability and methods

6. 5647918 - Bainite wire rod and wire for drawing and methods of producing the same

7. 5248353 - Method of producing steel wires each having very small diameter, high

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
12/7/2025
Loading…