Growing community of inventors

Tokyo, Japan

Hirobumi Yanagi

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 = 18

Hirobumi Yanagi ↔ Hitoshi Ikeno (1 patent)Hirobumi Yanagi ↔ Tetsuro Konno (1 patent)Hirobumi Yanagi ↔ Mitsuyuki Sugita (1 patent)Hirobumi YanagiHirobumi Yanagi (1 patent)Hitoshi IkenoHitoshi Ikeno (8 patents)Tetsuro KonnoTetsuro Konno (8 patents)Mitsuyuki SugitaMitsuyuki Sugita (7 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Kabushiki Kaisha Seikosha (1 from 52 patents)


1 patent:

1. 4211947 - Thickness-shear mode quartz oscillator with an added non-circular mass

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12/16/2025
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