Growing community of inventors

Tsukuba, Japan

Keiji Hemmi, Deceased

Average Co-Inventor Count = 6.87

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 = 3

Keiji Hemmi, DeceasedHirokazu Tanaka (2 patents)Keiji Hemmi, DeceasedNaoki Fukami (2 patents)Keiji Hemmi, DeceasedMasakuni Okuhara (1 patent)Keiji Hemmi, DeceasedSatoshi Okada (1 patent)Keiji Hemmi, DeceasedShigehiro Takase (1 patent)Keiji Hemmi, DeceasedNatsuko Kayakiri (1 patent)Keiji Hemmi, DeceasedMasanori Okamoto (1 patent)Keiji Hemmi, DeceasedYasuhisa Tsurumi (1 patent)Keiji Hemmi, DeceasedMasahiro Neya (1 patent)Keiji Hemmi, DeceasedNobuharu Shigematsu (1 patent)Keiji Hemmi, DeceasedTakanao Otsuka (1 patent)Keiji Hemmi, DeceasedSeiji Yoshimura (1 patent)Keiji Hemmi, DeceasedKeiji Hemmi, Deceased (2 patents)Hirokazu TanakaHirokazu Tanaka (76 patents)Naoki FukamiNaoki Fukami (7 patents)Masakuni OkuharaMasakuni Okuhara (39 patents)Satoshi OkadaSatoshi Okada (33 patents)Shigehiro TakaseShigehiro Takase (27 patents)Natsuko KayakiriNatsuko Kayakiri (18 patents)Masanori OkamotoMasanori Okamoto (17 patents)Yasuhisa TsurumiYasuhisa Tsurumi (15 patents)Masahiro NeyaMasahiro Neya (14 patents)Nobuharu ShigematsuNobuharu Shigematsu (12 patents)Takanao OtsukaTakanao Otsuka (2 patents)Seiji YoshimuraSeiji Yoshimura (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Fujisawa Pharmaceutical Company, Ltd. (2 from 940 patents)


2 patents:

1. 6110933 - Amino acid derivatives and their use as phospholipase A.sub.2 inhibitor

2. 5888972 - Peptide compounds, their preparation and uses

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12/6/2025
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