Growing community of inventors

Tokyo, Japan

Hiroshi Yatagai

Average Co-Inventor Count = 3.00

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 = 28

Hiroshi Yatagai ↔ Hirofumi Kondo (1 patent)Hiroshi Yatagai ↔ Takahiro Kawana (1 patent)Hiroshi YatagaiHiroshi Yatagai (1 patent)Hirofumi KondoHirofumi Kondo (22 patents)Takahiro KawanaTakahiro Kawana (9 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sony Corporation (1 from 58,129 patents)


1 patent:

1. 4735848 - Magnetic recording medium

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12/6/2025
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