Growing community of inventors

Tokyo, Japan

Kohji Hayashi

Average Co-Inventor Count = 6.00

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 = 29

Kohji HayashiMasatada Yodogawa (2 patents)Kohji HayashiYoshinari Yamashita (2 patents)Kohji HayashiHisayoshi Ueoka (2 patents)Kohji HayashiSusumu Miyabayashi (2 patents)Kohji HayashiTakashi Yamamoto (1 patent)Kohji HayashiTakashi Yamamoto (1 patent)Kohji HayashiKohji Hayashi (2 patents)Masatada YodogawaMasatada Yodogawa (14 patents)Yoshinari YamashitaYoshinari Yamashita (9 patents)Hisayoshi UeokaHisayoshi Ueoka (7 patents)Susumu MiyabayashiSusumu Miyabayashi (4 patents)Takashi YamamotoTakashi Yamamoto (77 patents)Takashi YamamotoTakashi Yamamoto (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Tdk Electronics Company, Limited (2 from 333 patents)


2 patents:

1. 4160748 - Non-linear resistor

2. 4077915 - Non-linear resistor

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as of
1/8/2026
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