Growing community of inventors

Takahama, Japan

Seiichi Sumiya

Average Co-Inventor Count = 4.85

ph-index = 2

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 = 8

Seiichi SumiyaRyoichi Fukumoto (2 patents)Seiichi SumiyaKeisuke Matsumoto (2 patents)Seiichi SumiyaEisuke Umemura (2 patents)Seiichi SumiyaTomohiro Negishi (2 patents)Seiichi SumiyaTakashi Nakamura (1 patent)Seiichi SumiyaHiroyuki Kishi (1 patent)Seiichi SumiyaTomio Yasuda (1 patent)Seiichi SumiyaGang Xie (1 patent)Seiichi SumiyaTakashi Yamaguchi (1 patent)Seiichi SumiyaKenta Mori (1 patent)Seiichi SumiyaFumiaki Togitani (1 patent)Seiichi SumiyaKotaro Mizuma (1 patent)Seiichi SumiyaMichihiro Asai (1 patent)Seiichi SumiyaKazuhiko Ida (1 patent)Seiichi SumiyaSeiichi Sumiya (4 patents)Ryoichi FukumotoRyoichi Fukumoto (96 patents)Keisuke MatsumotoKeisuke Matsumoto (6 patents)Eisuke UmemuraEisuke Umemura (3 patents)Tomohiro NegishiTomohiro Negishi (3 patents)Takashi NakamuraTakashi Nakamura (39 patents)Hiroyuki KishiHiroyuki Kishi (28 patents)Tomio YasudaTomio Yasuda (17 patents)Gang XieGang Xie (17 patents)Takashi YamaguchiTakashi Yamaguchi (5 patents)Kenta MoriKenta Mori (4 patents)Fumiaki TogitaniFumiaki Togitani (2 patents)Kotaro MizumaKotaro Mizuma (1 patent)Michihiro AsaiMichihiro Asai (1 patent)Kazuhiko IdaKazuhiko Ida (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Aisin Seiki Kabushiki Kaisha (4 from 5,207 patents)

2. Ogura Clutch Company, Ltd. (1 from 46 patents)


4 patents:

1. 10141819 - Actuator device and device for controlling opening/closing body of vehicle

2. 9422989 - Electromagnetic clutch device, actuator device and controller for controlling opening and closing body for vehicle

3. 9033397 - Device for opening and closing a sliding door and method for assembling the same

4. 9021742 - Opening and closing apparatus

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as of
12/9/2025
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