Growing community of inventors

Tokyo, Japan

Kei Sadakari

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

Kei SadakariMasayuki Tsuji (2 patents)Kei SadakariNobuyuki Ishikawa (2 patents)Kei SadakariNobuyuki Ishikawa (1 patent)Kei SadakariMasayuki Tsuji (1 patent)Kei SadakariKei Sadakari (1 patent)Masayuki TsujiMasayuki Tsuji (19 patents)Nobuyuki IshikawaNobuyuki Ishikawa (18 patents)Nobuyuki IshikawaNobuyuki Ishikawa (46 patents)Masayuki TsujiMasayuki Tsuji (35 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Japan Tobacco Inc. (1 from 1,040 patents)


1 patent:

1. 12357017 - Tobacco filling for non-combustion-type heating smoking article

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as of
1/3/2026
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