Growing community of inventors

Tokyo, Japan

Masata Umehara

Average Co-Inventor Count = 2.40

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 = 15

Masata UmeharaAkira Kubo (3 patents)Masata UmeharaIsao Igarashi (1 patent)Masata UmeharaTakashi Sekine (1 patent)Masata UmeharaMasata Umehara (3 patents)Akira KuboAkira Kubo (48 patents)Isao IgarashiIsao Igarashi (31 patents)Takashi SekineTakashi Sekine (12 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Tyco Electronics Amp K.k. (3 from 265 patents)


3 patents:

1. D538748 - Flat cable coupler

2. 7186126 - Floating electrical connector

3. 7118408 - Flat cable coupler and electrical connector assembly

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as of
1/3/2026
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