Growing community of inventors

Shizuoka-ken, Japan

Hiroto Kawashima, Legal Representative

Average Co-Inventor Count = 9.00

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

Hiroto Kawashima, Legal Representative ↔ Tetsuo Watanabe (1 patent)Hiroto Kawashima, Legal Representative ↔ Toshiyuki Matsuno (1 patent)Hiroto Kawashima, Legal Representative ↔ Seiichiro Kawashima (1 patent)Hiroto Kawashima, Legal Representative ↔ Kenichi Saitoh (1 patent)Hiroto Kawashima, Legal Representative ↔ Shinichi Yaguchi (1 patent)Hiroto Kawashima, Legal Representative ↔ Yoshio Tsuchida (1 patent)Hiroto Kawashima, Legal Representative ↔ Mitsuko Kawashima, Legal Representative (1 patent)Hiroto Kawashima, Legal Representative ↔ Masato Kawashima, Legal Representative (1 patent)Hiroto Kawashima, Legal RepresentativeHiroto Kawashima, Legal Representative (1 patent)Tetsuo WatanabeTetsuo Watanabe (89 patents)Toshiyuki MatsunoToshiyuki Matsuno (15 patents)Seiichiro KawashimaSeiichiro Kawashima (11 patents)Kenichi SaitohKenichi Saitoh (11 patents)Shinichi YaguchiShinichi Yaguchi (10 patents)Yoshio TsuchidaYoshio Tsuchida (6 patents)Mitsuko Kawashima, Legal RepresentativeMitsuko Kawashima, Legal Representative (1 patent)Masato Kawashima, Legal RepresentativeMasato Kawashima, Legal Representative (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Zenyaku Kogyo Kabushiki Kaisha (1 from 41 patents)


1 patent:

1. 7855199 - Heterocyclic compound and anti-malignant-tumor agent containing the same as active ingredient

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as of
12/8/2025
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