Growing community of inventors

Beppu-shi, Japan

Masamichi Koyanagi

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 = 0

Masamichi Koyanagi ↔ Kensuke Egashira (1 patent)Masamichi Koyanagi ↔ Akira Takeshita (1 patent)Masamichi Koyanagi ↔ Ken-ichi Nishida (1 patent)Masamichi Koyanagi ↔ Makoto Nakamuta (1 patent)Masamichi KoyanagiMasamichi Koyanagi (1 patent)Kensuke EgashiraKensuke Egashira (2 patents)Akira TakeshitaAkira Takeshita (2 patents)Ken-ichi NishidaKen-ichi Nishida (1 patent)Makoto NakamutaMakoto Nakamuta (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Other (1 from 832,912 patents)

2. Daiichi Sankyo Company, Limited (1 from 441 patents)


1 patent:

1. 7335647 - Drugs for liver diseases

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as of
1/9/2026
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