Growing community of inventors

Ibaraki-ken, Japan

Keiichi Hayashizaki

Average Co-Inventor Count = 4.50

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

Keiichi HayashizakiYoshihiro Usui (2 patents)Keiichi HayashizakiHideshi Mukaida (1 patent)Keiichi HayashizakiAtsushi Go (1 patent)Keiichi HayashizakiNorishige Toshima (1 patent)Keiichi HayashizakiTakako Aoki (1 patent)Keiichi HayashizakiTetsuya Murata (1 patent)Keiichi HayashizakiMichael Colin Cramp (1 patent)Keiichi HayashizakiRika Higurashi (1 patent)Keiichi HayashizakiKoichi Araki (1 patent)Keiichi HayashizakiKeiichi Hayashizaki (2 patents)Yoshihiro UsuiYoshihiro Usui (6 patents)Hideshi MukaidaHideshi Mukaida (6 patents)Atsushi GoAtsushi Go (5 patents)Norishige ToshimaNorishige Toshima (3 patents)Takako AokiTakako Aoki (2 patents)Tetsuya MurataTetsuya Murata (2 patents)Michael Colin CrampMichael Colin Cramp (2 patents)Rika HigurashiRika Higurashi (2 patents)Koichi ArakiKoichi Araki (1 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Mitsubishi Chemical Corporation (1 from 2,347 patents)

2. Rhone Poulenc Agriculture Limited (1 from 48 patents)


2 patents:

1. 6028032 - 1,3-oxazin-4-one derivatives as herbicides

2. 5977025 - 1,3-oxazin-4-one derivative, herbicide containing same, and intermediate

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as of
12/20/2025
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