Growing community of inventors

Gunma, Japan

Kenji Hayakawa

Average Co-Inventor Count = 2.40

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 = 4

Kenji HayakawaTakayuki Sone (1 patent)Kenji HayakawaSadao Ohno (1 patent)Kenji HayakawaMasayuki Takano (1 patent)Kenji HayakawaKenji Hayakawa (2 patents)Takayuki SoneTakayuki Sone (15 patents)Sadao OhnoSadao Ohno (12 patents)Masayuki TakanoMasayuki Takano (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Yokowo Co., Ltd. (2 from 213 patents)


2 patents:

1. 11228084 - Antenna mounting apparatus

2. 10355335 - Vehicle antenna device

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idiyas.com
as of
12/16/2025
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