Growing community of inventors

Hitachi, Japan

Toul Kikuchi

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 = 3

Toul Kikuchi ↔ Takayuki Saito (1 patent)Toul Kikuchi ↔ Daisuke Makino (1 patent)Toul Kikuchi ↔ Mitsumasa Kojima (1 patent)Toul Kikuchi ↔ Hidetaka Satou (1 patent)Toul Kikuchi ↔ Shun-ichiro Uchimura (1 patent)Toul KikuchiToul Kikuchi (1 patent)Takayuki SaitoTakayuki Saito (37 patents)Daisuke MakinoDaisuke Makino (19 patents)Mitsumasa KojimaMitsumasa Kojima (9 patents)Hidetaka SatouHidetaka Satou (7 patents)Shun-ichiro UchimuraShun-ichiro Uchimura (6 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Hitachi Chemical Company, Ltd. (1 from 1,641 patents)


1 patent:

1. 4847358 - Process for producing polyamide acid having siloxane bonds and polyimide

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as of
1/21/2026
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