Growing community of inventors

Tokyo, Japan

Ryuhei Narita

Average Co-Inventor Count = 3.43

ph-index = 2

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 = 20

Ryuhei NaritaTakashi Oka (1 patent)Ryuhei NaritaEiji Yagi (1 patent)Ryuhei NaritaKenzo Hirashima (1 patent)Ryuhei NaritaHiroyuki Aida (1 patent)Ryuhei NaritaYoshinori Kamiya (1 patent)Ryuhei NaritaRyuhei Narita (2 patents)Takashi OkaTakashi Oka (19 patents)Eiji YagiEiji Yagi (8 patents)Kenzo HirashimaKenzo Hirashima (6 patents)Hiroyuki AidaHiroyuki Aida (4 patents)Yoshinori KamiyaYoshinori Kamiya (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Nissan Motor Company Limited (2 from 13,402 patents)


2 patents:

1. 4535503 - Door glass hinge having a spacer ring

2. 4151683 - Door for vehicle, especially passenger motor vehicle

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idiyas.com
as of
12/21/2025
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