Growing community of inventors

Moriyama, Japan

Kazuhito Yoshikawa

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 = 0

Kazuhito YoshikawaHiroto Ogawa (1 patent)Kazuhito YoshikawaTakashi Tokiwa (1 patent)Kazuhito YoshikawaNorimitsu Kitazawa (1 patent)Kazuhito YoshikawaKazuhito Yoshikawa (2 patents)Hiroto OgawaHiroto Ogawa (5 patents)Takashi TokiwaTakashi Tokiwa (3 patents)Norimitsu KitazawaNorimitsu Kitazawa (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Japan Vilene Company, Ltd. (1 from 87 patents)

2. Kyowa Sangyo Co., Ltd. (1 from 42 patents)


2 patents:

1. 8663809 - Surface material substrate, surface material and molded body

2. 7222914 - Surface covering materials of vehicle sun visors and vehicle sun visors having the surface covering materials

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as of
12/10/2025
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