Growing community of inventors

Nagakute, Japan

Ryoji Doi

Average Co-Inventor Count = 2.00

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

Ryoji DoiKazuma Otoguro (1 patent)Ryoji DoiRyoji Doi (1 patent)Kazuma OtoguroKazuma Otoguro (11 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Toyota Jidosha Kabushiki Kaisha (1 from 36,713 patents)


1 patent:

1. 10994788 - Vehicle bottom structure

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1/3/2026
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