Growing community of inventors

Yao, Japan

Takefumi Takenakajima

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 = 6

Takefumi Takenakajima ↔ Mamoru Fujiyama (1 patent)Takefumi Takenakajima ↔ Toshihiro Fukushima (1 patent)Takefumi Takenakajima ↔ Kazuo Nishimura (1 patent)Takefumi TakenakajimaTakefumi Takenakajima (1 patent)Mamoru FujiyamaMamoru Fujiyama (5 patents)Toshihiro FukushimaToshihiro Fukushima (1 patent)Kazuo NishimuraKazuo Nishimura (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Zojirushi Vacuum Bottle Co., Ltd. (1 from 7 patents)


1 patent:

1. 5014752 - Nonfreezing pipe

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as of
12/19/2025
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