Growing community of inventors

Ehime, Japan

Masamitu Yamamoto

Average Co-Inventor Count = 4.00

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 = 1

Masamitu Yamamoto ↔ Takashi Sakai (1 patent)Masamitu Yamamoto ↔ Hiroshi Kitayama (1 patent)Masamitu Yamamoto ↔ Takashi Mino (1 patent)Masamitu YamamotoMasamitu Yamamoto (1 patent)Takashi SakaiTakashi Sakai (11 patents)Hiroshi KitayamaHiroshi Kitayama (2 patents)Takashi MinoTakashi Mino (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Unicharm Corporation (1 from 1,645 patents)

2. Mitsubishi Acetate Co., Ltd (1 from 7 patents)


1 patent:

1. 4826433 - Stick absorber for oral cavity

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as of
12/17/2025
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