Growing community of inventors

Anjo, Japan

Hidefumi Katayama

Average Co-Inventor Count = 4.30

ph-index = 3

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 = 15

Hidefumi KatayamaKatsumi Chono (5 patents)Hidefumi KatayamaRyoichi Fukumoto (3 patents)Hidefumi KatayamaSadayuki Makino (3 patents)Hidefumi KatayamaSatoshi Shibayama (3 patents)Hidefumi KatayamaShigeyuki Suzuki (3 patents)Hidefumi KatayamaRyujiro Akizuki (2 patents)Hidefumi KatayamaHirokazu Suzumura (2 patents)Hidefumi KatayamaTakayuki Ueno (2 patents)Hidefumi KatayamaKoichi Hirota (1 patent)Hidefumi KatayamaKenta Mori (1 patent)Hidefumi KatayamaTomohiro Negishi (1 patent)Hidefumi KatayamaMasato Asakura (1 patent)Hidefumi KatayamaTakahito Kobatake (1 patent)Hidefumi KatayamaTakuya Kotani (1 patent)Hidefumi KatayamaHidefumi Katayama (8 patents)Katsumi ChonoKatsumi Chono (5 patents)Ryoichi FukumotoRyoichi Fukumoto (96 patents)Sadayuki MakinoSadayuki Makino (12 patents)Satoshi ShibayamaSatoshi Shibayama (10 patents)Shigeyuki SuzukiShigeyuki Suzuki (4 patents)Ryujiro AkizukiRyujiro Akizuki (27 patents)Hirokazu SuzumuraHirokazu Suzumura (16 patents)Takayuki UenoTakayuki Ueno (3 patents)Koichi HirotaKoichi Hirota (25 patents)Kenta MoriKenta Mori (4 patents)Tomohiro NegishiTomohiro Negishi (3 patents)Masato AsakuraMasato Asakura (3 patents)Takahito KobatakeTakahito Kobatake (2 patents)Takuya KotaniTakuya Kotani (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Aisin Seiki Kabushiki Kaisha (8 from 5,207 patents)

2. Honda Motor Co., Ltd. (1 from 21,875 patents)


8 patents:

1. 10166846 - Vehicle door module

2. 10138670 - Lifting device and vehicle door with said lifting device

3. 10060174 - Sliding door module

4. 9896874 - Lifting and lowering apparatus

5. 9732547 - Door opening/closing device and vehicle door module

6. 9476496 - Driving apparatus for vehicle

7. 8826592 - Window regulator device

8. 8726573 - Window regulator device

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as of
12/16/2025
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