Growing community of inventors

Tokyo, Japan

Masaki Tsukada

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 = 28

Masaki TsukadaHitoshi Abe (1 patent)Masaki TsukadaSatoshi Hashimoto (1 patent)Masaki TsukadaNorinaga Nakamura (1 patent)Masaki TsukadaNaoyuki Makita (1 patent)Masaki TsukadaTakafumi Kojima (1 patent)Masaki TsukadaOsamu Takeko (1 patent)Masaki TsukadaKouichi Moroi (1 patent)Masaki TsukadaTomio Doi (1 patent)Masaki TsukadaYoshiharu Horie (1 patent)Masaki TsukadaKenshi Shimizu (1 patent)Masaki TsukadaMasaki Tsukada (2 patents)Hitoshi AbeHitoshi Abe (49 patents)Satoshi HashimotoSatoshi Hashimoto (36 patents)Norinaga NakamuraNorinaga Nakamura (21 patents)Naoyuki MakitaNaoyuki Makita (9 patents)Takafumi KojimaTakafumi Kojima (3 patents)Osamu TakekoOsamu Takeko (2 patents)Kouichi MoroiKouichi Moroi (2 patents)Tomio DoiTomio Doi (2 patents)Yoshiharu HorieYoshiharu Horie (1 patent)Kenshi ShimizuKenshi Shimizu (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Tachi-s Co., Ltd. (1 from 576 patents)

2. Dai Nippon Insatsu Kabushiki Kaisha (1 from 412 patents)


2 patents:

1. 11072268 - Head-rest of a car seat

2. 5296340 - Decorative sheet and process for preparation thereof

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as of
1/3/2026
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