Growing community of inventors

Tokyo, Japan

Naoyuki Ezuka

Average Co-Inventor Count = 3.43

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 = 14

Naoyuki EzukaHarumichi Oishi (1 patent)Naoyuki EzukaMichitaka Kurata (1 patent)Naoyuki EzukaShuichi Matsuzawa (1 patent)Naoyuki EzukaRyosuke Imai (1 patent)Naoyuki EzukaTakenori Otsu (1 patent)Naoyuki EzukaNaoyuki Ezuka (2 patents)Harumichi OishiHarumichi Oishi (8 patents)Michitaka KurataMichitaka Kurata (6 patents)Shuichi MatsuzawaShuichi Matsuzawa (5 patents)Ryosuke ImaiRyosuke Imai (4 patents)Takenori OtsuTakenori Otsu (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Daiwa Seiko, Inc. (2 from 602 patents)


2 patents:

1. D607533 - Reel seat for fishing rod

2. 7086621 - Fishing reel

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as of
12/19/2025
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