Growing community of inventors

Hiratsuka, Japan

Kei Yamasaki

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 = 0

Kei Yamasaki ↔ Tetsuji Moroiwa (1 patent)Kei Yamasaki ↔ Akira Yamane (1 patent)Kei Yamasaki ↔ Nobutaka Yoshida (1 patent)Kei Yamasaki ↔ Keiko Taniuchi (1 patent)Kei Yamasaki ↔ Hiroshi Aihara (1 patent)Kei YamasakiKei Yamasaki (1 patent)Tetsuji MoroiwaTetsuji Moroiwa (4 patents)Akira YamaneAkira Yamane (3 patents)Nobutaka YoshidaNobutaka Yoshida (1 patent)Keiko TaniuchiKeiko Taniuchi (1 patent)Hiroshi AiharaHiroshi Aihara (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Japan U-pica Company, Ltd. (1 from 7 patents)


1 patent:

1. 8828636 - Alcohol compound, a polyester resin, an unsaturated particle resin, a resin particle and an electrophotographic toner

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as of
12/15/2025
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