Growing community of inventors

Hitachinaka, Japan

Ryujo Sugahara

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

Ryujo Sugahara ↔ Hideyuki Sakamoto (1 patent)Ryujo Sugahara ↔ Minami Teranishi (1 patent)Ryujo Sugahara ↔ Michihito Watarai (1 patent)Ryujo Sugahara ↔ Hidetatsu Yamamoto (1 patent)Ryujo Sugahara ↔ Eiji Ichikawa (1 patent)Ryujo Sugahara ↔ Daisuke Tanaka (1 patent)Ryujo SugaharaRyujo Sugahara (1 patent)Hideyuki SakamotoHideyuki Sakamoto (70 patents)Minami TeranishiMinami Teranishi (6 patents)Michihito WataraiMichihito Watarai (6 patents)Hidetatsu YamamotoHidetatsu Yamamoto (6 patents)Eiji IchikawaEiji Ichikawa (5 patents)Daisuke TanakaDaisuke Tanaka (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Hitachi Astemo Ltd. (1 from 1,192 patents)


1 patent:

1. 12426217 - Electronic control device

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12/4/2025
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