Growing community of inventors

Hitachi, Japan

Ryo Honna

Average Co-Inventor Count = 7.00

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 = 0

Ryo Honna ↔ Kenichi Ishitsuka (1 patent)Ryo Honna ↔ Hirotaka Sakuma (1 patent)Ryo Honna ↔ Kazuyuki Kamo (1 patent)Ryo Honna ↔ Tomotsugu Sugioka (1 patent)Ryo Honna ↔ Daisuke Ryuzaki (1 patent)Ryo Honna ↔ Yuki Yoshinari (1 patent)Ryo HonnaRyo Honna (1 patent)Kenichi IshitsukaKenichi Ishitsuka (19 patents)Hirotaka SakumaHirotaka Sakuma (15 patents)Kazuyuki KamoKazuyuki Kamo (7 patents)Tomotsugu SugiokaTomotsugu Sugioka (6 patents)Daisuke RyuzakiDaisuke Ryuzaki (2 patents)Yuki YoshinariYuki Yoshinari (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Showa Denko Materials Co., Ltd. (1 from 139 patents)


1 patent:

1. 11118005 - Composition, hole transport material composition, and ink composition

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as of
12/30/2025
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