Growing community of inventors

Kobe, Japan

Ken Yamazaki

Average Co-Inventor Count = 4.00

ph-index = 5

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 = 47

Ken YamazakiKinichi Sasagawa (5 patents)Ken YamazakiTakehisa Kinoyama (5 patents)Ken YamazakiYosuke Yamamoto (4 patents)Ken YamazakiYosuki Yamamoto (1 patent)Ken YamazakiKen Yamazaki (5 patents)Kinichi SasagawaKinichi Sasagawa (8 patents)Takehisa KinoyamaTakehisa Kinoyama (7 patents)Yosuke YamamotoYosuke Yamamoto (13 patents)Yosuki YamamotoYosuki Yamamoto (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Duskin Franchise Kabushiki Kaisha (4 from 15 patents)

2. Duskin Franchise Kabushiki Kaisha (duskin Franchise Co., Ltd.) (1 from 2 patents)


5 patents:

1. 4479280 - Mat base plate

2. 4415620 - Mat base plate

3. D267535 - Doormat support plate or similar article

4. D265705 - Door mat base plate or similar article

5. D263541 - Door mat base plate or similar article

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as of
12/12/2025
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