Growing community of inventors

Tokyo, Japan

Ikumin Ryuzaki

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 = 0

Ikumin RyuzakiTakumi Nonaka (1 patent)Ikumin RyuzakiTamotsu Saito (1 patent)Ikumin RyuzakiTomoyoshi Kudo (1 patent)Ikumin RyuzakiIkumin Ryuzaki (1 patent)Takumi NonakaTakumi Nonaka (37 patents)Tamotsu SaitoTamotsu Saito (5 patents)Tomoyoshi KudoTomoyoshi Kudo (5 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Yamabiko Corporation (1 from 150 patents)


1 patent:

1. 11131272 - Carburetor including a manual fuel control device

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as of
12/20/2025
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