Growing community of inventors

Tokyo, Japan

Akiko Niizuma

Average Co-Inventor Count = 6.00

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 = 5

Akiko Niizuma ↔ Kenichi Okamoto (1 patent)Akiko Niizuma ↔ Shunzo Shimai (1 patent)Akiko Niizuma ↔ Koichi Imura (1 patent)Akiko Niizuma ↔ Tadayoshi Muto (1 patent)Akiko Niizuma ↔ Ichiro Shibata (1 patent)Akiko NiizumaAkiko Niizuma (1 patent)Kenichi OkamotoKenichi Okamoto (20 patents)Shunzo ShimaiShunzo Shimai (12 patents)Koichi ImuraKoichi Imura (4 patents)Tadayoshi MutoTadayoshi Muto (2 patents)Ichiro ShibataIchiro Shibata (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Toshiba Ceramics Co., Ltd. (1 from 189 patents)


1 patent:

1. 5834108 - Multi-layered ceramic porous body

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as of
1/8/2026
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