Growing community of inventors

Chiba-ken, Japan

Yoshinori Yanagisawa

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 = 17

Yoshinori Yanagisawa ↔ Hidetsugu Ikeda (1 patent)Yoshinori Yanagisawa ↔ Hidetoshi Koga (1 patent)Yoshinori Yanagisawa ↔ Sanae Tagami (1 patent)Yoshinori YanagisawaYoshinori Yanagisawa (1 patent)Hidetsugu IkedaHidetsugu Ikeda (56 patents)Hidetoshi KogaHidetoshi Koga (13 patents)Sanae TagamiSanae Tagami (7 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Idemitsu Kosan Company, Limited (1 from 2,271 patents)


1 patent:

1. 6489046 - Organic electroluminescence device

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12/9/2025
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