Growing community of inventors

Saitama, Japan

Masafumi Takeyama

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 = 0

Masafumi TakeyamaHideaki Sato (1 patent)Masafumi TakeyamaNobuyoshi Watanabe (1 patent)Masafumi TakeyamaYukihiro Oryu (1 patent)Masafumi TakeyamaMasafumi Takeyama (1 patent)Hideaki SatoHideaki Sato (67 patents)Nobuyoshi WatanabeNobuyoshi Watanabe (3 patents)Yukihiro OryuYukihiro Oryu (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Asahi Rubber Inc. (1 from 26 patents)

2. Hokutaku Co., Ltd. (1 from 1 patent)


1 patent:

1. 11946443 - Bonded body of object to be bonded to and functional base material

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12/12/2025
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