Growing community of inventors

Sayama, Japan

Yumiko Ishiyama

Average Co-Inventor Count = 5.00

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 = 6

Yumiko Ishiyama ↔ Masaharu Shimatani (1 patent)Yumiko Ishiyama ↔ Yukio Uchida (1 patent)Yumiko Ishiyama ↔ Ichirou Matsuno (1 patent)Yumiko Ishiyama ↔ Makoto Oyoshi (1 patent)Yumiko IshiyamaYumiko Ishiyama (1 patent)Masaharu ShimataniMasaharu Shimatani (8 patents)Yukio UchidaYukio Uchida (3 patents)Ichirou MatsunoIchirou Matsuno (2 patents)Makoto OyoshiMakoto Oyoshi (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Snow Brand Milk Products Co., Ltd. (1 from 200 patents)


1 patent:

1. 5270462 - Process for manufacturing sialic acids-containing composition

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12/18/2025
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