Growing community of inventors

Tsukuba, Japan

Mariko Umemura

Average Co-Inventor Count = 4.80

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

Mariko UmemuraYoshifumi Jigami (2 patents)Mariko UmemuraKappei Tsukahara (1 patent)Mariko UmemuraMamiko Tsuchiya (1 patent)Mariko UmemuraKenichi Nakayama (1 patent)Mariko UmemuraMichiyo Okamoto (1 patent)Mariko UmemuraTakehiko Yoko-O (1 patent)Mariko UmemuraMorihisa Fujita (1 patent)Mariko UmemuraMariko Umemura (2 patents)Yoshifumi JigamiYoshifumi Jigami (9 patents)Kappei TsukaharaKappei Tsukahara (15 patents)Mamiko TsuchiyaMamiko Tsuchiya (7 patents)Kenichi NakayamaKenichi Nakayama (3 patents)Michiyo OkamotoMichiyo Okamoto (1 patent)Takehiko Yoko-OTakehiko Yoko-O (1 patent)Morihisa FujitaMorihisa Fujita (1 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. National Institute of Advanced Industrial Science and Technology (2 from 1,714 patents)

2. Eisai R&d Management Co., Ltd. (1 from 527 patents)


2 patents:

1. 8323917 - Method of screening for compounds that inhibit the enzymatic activity of GWT1 gene product

2. 7741087 - Lipid remodeling of GPI-anchored proteins

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12/17/2025
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