Growing community of inventors

Namekata, Japan

Akira Takahashi

Average Co-Inventor Count = 7.00

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 = 4

Akira TakahashiToshio Kawamura (2 patents)Akira TakahashiMasamichi Asai (2 patents)Akira TakahashiKenichi Mukoyama (2 patents)Akira TakahashiHiroshi Hikima (2 patents)Akira TakahashiTakao Sugino (2 patents)Akira TakahashiHiroshi Yamada (2 patents)Akira TakahashiAkira Takahashi (2 patents)Toshio KawamuraToshio Kawamura (8 patents)Masamichi AsaiMasamichi Asai (4 patents)Kenichi MukoyamaKenichi Mukoyama (3 patents)Hiroshi HikimaHiroshi Hikima (3 patents)Takao SuginoTakao Sugino (2 patents)Hiroshi YamadaHiroshi Yamada (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Toshiba Ceramics Co., Ltd. (2 from 189 patents)

2. Sumitomo Metal Industries, Inc. (1 from 929 patents)

3. Sumitomo Metal Indus., Ltd. (1 from 1 patent)


2 patents:

1. 5035919 - Repairing material of a brick and a method of repairing a brick

2. 4970180 - Repairing material of a brick

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as of
12/21/2025
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