Growing community of inventors

Tokyo, Japan

Etsuji Takehara

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 = 1

Etsuji TakeharaKoichiroh Katoh (1 patent)Etsuji TakeharaYoshiie Matsumoto (1 patent)Etsuji TakeharaEtsuji Takehara (1 patent)Koichiroh KatohKoichiroh Katoh (4 patents)Yoshiie MatsumotoYoshiie Matsumoto (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Director-general of Agency of Industrial Science and Technology (1 from 232 patents)


1 patent:

1. 5059447 - Method for the acitivation of a surface of a shaped body formed of a

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12/31/2025
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