Growing community of inventors

Hiroshima, Japan

Tetsuya Maruta

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 = 14

Tetsuya MarutaShunji Sakamoto (1 patent)Tetsuya MarutaHisaaki Katsuki (1 patent)Tetsuya MarutaJunichi Usui (1 patent)Tetsuya MarutaHaruo Oda (1 patent)Tetsuya MarutaHideyuki Kato (1 patent)Tetsuya MarutaTetsuya Maruta (1 patent)Shunji SakamotoShunji Sakamoto (27 patents)Hisaaki KatsukiHisaaki Katsuki (6 patents)Junichi UsuiJunichi Usui (5 patents)Haruo OdaHaruo Oda (4 patents)Hideyuki KatoHideyuki Kato (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Mazda Motor Corporation (1 from 4,680 patents)

2. Daifuku Co., Ltd. (1 from 708 patents)


1 patent:

1. 5040290 - Vehicle door mounting system

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as of
12/18/2025
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