Growing community of inventors

Kanbara, Japan

Katsumi Takahashi

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 = 2

Katsumi Takahashi ↔ Sanji Kitaoka (1 patent)Katsumi Takahashi ↔ Hisashi Hori (1 patent)Katsumi Takahashi ↔ Susumu Nawata (1 patent)Katsumi TakahashiKatsumi Takahashi (1 patent)Sanji KitaokaSanji Kitaoka (1 patent)Hisashi HoriHisashi Hori (1 patent)Susumu NawataSusumu Nawata (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Nikkei Techno-research Co. Ltd. (1 from 4 patents)


1 patent:

1. 5139332 - Optical emission spectrochemical standard for metals and alloys

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as of
12/19/2025
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