Growing community of inventors

Tokyo, Japan

Keiko Yajima

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 = 0

Keiko YajimaTakashi Nakajima (1 patent)Keiko YajimaKeiko Yajima (1 patent)Takashi NakajimaTakashi Nakajima (79 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Taiyo Yuden Co., Ltd. (1 from 1,763 patents)


1 patent:

1. 11142482 - Ceramic composition and electronic component using the ceramic composition

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as of
12/7/2025
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