Growing community of inventors

Fujisawa, Japan

Yasuhiko Numagami

Average Co-Inventor Count = 5.00

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 = 6

Yasuhiko Numagami ↔ Yoshihiro Ashi (1 patent)Yasuhiko Numagami ↔ Atsushi Iwamura (1 patent)Yasuhiko Numagami ↔ Masanobu Kobayashi (1 patent)Yasuhiko Numagami ↔ Hiroyuki Mukouyama (1 patent)Yasuhiko NumagamiYasuhiko Numagami (1 patent)Yoshihiro AshiYoshihiro Ashi (89 patents)Atsushi IwamuraAtsushi Iwamura (14 patents)Masanobu KobayashiMasanobu Kobayashi (9 patents)Hiroyuki MukouyamaHiroyuki Mukouyama (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Hitachi, Ltd. (1 from 42,517 patents)


1 patent:

1. 6987733 - ATM communication apparatus and ATM cell forwarding control method

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as of
1/10/2026
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