Growing community of inventors

Niigata, Japan

Takashi Ohkawa

Average Co-Inventor Count = 5.00

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 = 3

Takashi Ohkawa ↔ Yutaka Kanbara (1 patent)Takashi Ohkawa ↔ Masaharu Doya (1 patent)Takashi Ohkawa ↔ Kenichi Kimizuka (1 patent)Takashi Ohkawa ↔ Aksushi Okamoto (1 patent)Takashi OhkawaTakashi Ohkawa (1 patent)Yutaka KanbaraYutaka Kanbara (14 patents)Masaharu DoyaMasaharu Doya (13 patents)Kenichi KimizukaKenichi Kimizuka (2 patents)Aksushi OkamotoAksushi Okamoto (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Mitsubishi Gas Chemical Company, Inc. (1 from 2,245 patents)


1 patent:

1. 5349077 - Process for producing alkylene carbonates

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as of
12/6/2025
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