Growing community of inventors

Tochigi-ken, Japan

Takao Nakajima

Average Co-Inventor Count = 4.00

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 = 14

Takao Nakajima ↔ Kenji Hiraishi (1 patent)Takao Nakajima ↔ Kazuyuki Yamazaki (1 patent)Takao Nakajima ↔ Shingo Saeki (1 patent)Takao NakajimaTakao Nakajima (1 patent)Kenji HiraishiKenji Hiraishi (10 patents)Kazuyuki YamazakiKazuyuki Yamazaki (1 patent)Shingo SaekiShingo Saeki (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Tochigi Fuji Sangyo Kabushiki Kaisha (1 from 140 patents)


1 patent:

1. 5556351 - Differential apparatus

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as of
12/16/2025
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