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Tokyo, Japan

Naoto Koga

Average Co-Inventor Count = 7.00

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 = 0

Naoto Koga ↔ Hiroyuki Noda (1 patent)Naoto Koga ↔ Ai Masuda (1 patent)Naoto Koga ↔ Shinichi Tomita (1 patent)Naoto Koga ↔ Shuhei Yabu (1 patent)Naoto Koga ↔ Isao Takahira (1 patent)Naoto Koga ↔ Mitsuo Akatsu (1 patent)Naoto KogaNaoto Koga (1 patent)Hiroyuki NodaHiroyuki Noda (69 patents)Ai MasudaAi Masuda (37 patents)Shinichi TomitaShinichi Tomita (15 patents)Shuhei YabuShuhei Yabu (6 patents)Isao TakahiraIsao Takahira (4 patents)Mitsuo AkatsuMitsuo Akatsu (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Hitachi-high-technologies Corporation (1 from 2,874 patents)


1 patent:

1. 10008361 - Charged particle beam device and installation method

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as of
12/30/2025
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