Growing community of inventors

Izumo, Japan

Hirohisa Yamada

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 = 0

Hirohisa YamadaOsamu Yamaoka (2 patents)Hirohisa YamadaKazuyuki Kubota (2 patents)Hirohisa YamadaHirohisa Yamada (2 patents)Osamu YamaokaOsamu Yamaoka (12 patents)Kazuyuki KubotaKazuyuki Kubota (7 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Murata Manufacturing Co., Ltd. (2 from 13,664 patents)


2 patents:

1. 7409304 - Method of calculating effective power relating to capacitor, method of measuring effective power consumed by capacitor, capacitor selection method, calculation apparatus for calculating effective power relating to capacitor, and recording medium storing the calculation program therefor

2. 7158898 - Method of calculating effective power relating to capacitor, method of measuring effective power consumed by capacitor, capacitor selection method, calculation apparatus for calculating effective power relating to capacitor, and recording medium storing the calculation program therefor

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as of
12/12/2025
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