Growing community of inventors

Tokyo, Japan

Isamu Mamiya

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 = 3

Isamu MamiyaAkinori Sato (1 patent)Isamu MamiyaKiyomi Sato (1 patent)Isamu MamiyaAkira Kawakatsu (1 patent)Isamu MamiyaTakeo Kumasako (1 patent)Isamu MamiyaIsamu Mamiya (1 patent)Akinori SatoAkinori Sato (14 patents)Kiyomi SatoKiyomi Sato (2 patents)Akira KawakatsuAkira Kawakatsu (1 patent)Takeo KumasakoTakeo Kumasako (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Tokyo Shisetsu Kogyo Kabushiki Kaisha (1 from 1 patent)

2. The Japan Tobacco & Salt Public Co. (1 from 1 patent)


1 patent:

1. 4566471 - Cutting apparatus

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as of
1/18/2026
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