Growing community of inventors

Yokohama, Japan

Ton-Chi Chang

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 = 40

Ton-Chi Chang ↔ Shoji Shiga (1 patent)Ton-Chi Chang ↔ Masanori Ozaki (1 patent)Ton-Chi Chang ↔ Masanao Mimura (1 patent)Ton-Chi Chang ↔ Nakahiro Harada (1 patent)Ton-Chi ChangTon-Chi Chang (1 patent)Shoji ShigaShoji Shiga (27 patents)Masanori OzakiMasanori Ozaki (12 patents)Masanao MimuraMasanao Mimura (3 patents)Nakahiro HaradaNakahiro Harada (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. The Furukawa Electric Co., Ltd. (1 from 2,630 patents)


1 patent:

1. 4994435 - Laminated layers of a substrate, noble metal, and interlayer underneath

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12/8/2025
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