Growing community of inventors

Osaka, Japan

Masaya Umezaki

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

Masaya Umezaki ↔ Taiji Horita (21 patents)Masaya Umezaki ↔ Hiroaki Nakano (15 patents)Masaya Umezaki ↔ Tsuyoshi Somekawa (1 patent)Masaya Umezaki ↔ Hirotaka Kunii (1 patent)Masaya Umezaki ↔ Makoto Kuroki (1 patent)Masaya Umezaki ↔ Yuki Tanaka (0 patent)Masaya UmezakiMasaya Umezaki (1 patent)Taiji HoritaTaiji Horita (21 patents)Hiroaki NakanoHiroaki Nakano (15 patents)Tsuyoshi SomekawaTsuyoshi Somekawa (4 patents)Hirotaka KuniiHirotaka Kunii (1 patent)Makoto KurokiMakoto Kuroki (1 patent)Yuki TanakaYuki Tanaka (0 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Taisei Kako Co., Ltd. (1 from 82 patents)

2. Sumitomo Rubber Industries Limited (4,417 patents)


1 patent:

1. D1088882 - Packaging container

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as of
12/20/2025
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