Growing community of inventors

Shizuoka, Japan

Yoshiaki Hayashi

Average Co-Inventor Count = 3.00

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 = 15

Yoshiaki Hayashi ↔ Kiyoshi Yamashita (1 patent)Yoshiaki Hayashi ↔ Etsuo Furuya (1 patent)Yoshiaki HayashiYoshiaki Hayashi (1 patent)Kiyoshi YamashitaKiyoshi Yamashita (4 patents)Etsuo FuruyaEtsuo Furuya (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Koito Manufacturing Company, Ltd. (1 from 2,302 patents)


1 patent:

1. 5638052 - LED matrix display with LED control switches adjacent to each LED

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as of
12/13/2025
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