Growing community of inventors

Itano-gun, Japan

Rika Hamamoto

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 = 16

Rika Hamamoto ↔ Masatoshi Inai (1 patent)Rika Hamamoto ↔ Keiichi Kawakami (1 patent)Rika Hamamoto ↔ Seiichiro Iguchi (1 patent)Rika Hamamoto ↔ Shino Shinomiya (1 patent)Rika Hamamoto ↔ Akiyo Abe (1 patent)Rika HamamotoRika Hamamoto (1 patent)Masatoshi InaiMasatoshi Inai (8 patents)Keiichi KawakamiKeiichi Kawakami (6 patents)Seiichiro IguchiSeiichiro Iguchi (4 patents)Shino ShinomiyaShino Shinomiya (1 patent)Akiyo AbeAkiyo Abe (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Otsuka Pharmaceutical Factory, Inc. (1 from 188 patents)


1 patent:

1. 6232128 - Package for container of liquid medicine containing bicarbonate and pH indicator

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idiyas.com
as of
12/15/2025
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