Growing community of inventors

Kanagawa, Japan

Sumiaki Tanaka

Average Co-Inventor Count = 6.00

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 = 8

Sumiaki TanakaHiroyuki Kojima (1 patent)Sumiaki TanakaHiroyuki Kojima (68 patents)Sumiaki TanakaShinya Hashimoto (1 patent)Sumiaki TanakaMasahiko Hara (1 patent)Sumiaki TanakaToyokazu Endo (1 patent)Sumiaki TanakaNoriyuki Koike (1 patent)Sumiaki TanakaSumiaki Tanaka (1 patent)Hiroyuki KojimaHiroyuki Kojima (71 patents)Hiroyuki KojimaHiroyuki Kojima (68 patents)Shinya HashimotoShinya Hashimoto (53 patents)Masahiko HaraMasahiko Hara (15 patents)Toyokazu EndoToyokazu Endo (3 patents)Noriyuki KoikeNoriyuki Koike (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Kasai Kogyo Co., Ltd. (1 from 78 patents)


1 patent:

1. 8011717 - Automotive interior component

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as of
12/19/2025
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