Growing community of inventors

Sakai, Japan

Chika Tona

Average Co-Inventor Count = 4.00

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 = 1

Chika Tona ↔ Yoshihiko Kambara (1 patent)Chika Tona ↔ Toru Idemoto (1 patent)Chika Tona ↔ Yasuki Ono (1 patent)Chika TonaChika Tona (1 patent)Yoshihiko KambaraYoshihiko Kambara (9 patents)Toru IdemotoToru Idemoto (1 patent)Yasuki OnoYasuki Ono (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Mitsui Toatsu Chemicals, Incorporated (1 from 1,379 patents)


1 patent:

1. 5254749 - Process for producing dipentaerythritol

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1/16/2026
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