Growing community of inventors

Yokohama, Japan

Hiroki Nakahata

Average Co-Inventor Count = 3.75

ph-index = 2

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

Hiroki NakahataYoshihiro Mieda (1 patent)Hiroki NakahataTatsuhisa Yabushita (1 patent)Hiroki NakahataHiroyuki Kobayashi (1 patent)Hiroki NakahataShukuo Ishikawa (1 patent)Hiroki NakahataYoshinori Satoh (1 patent)Hiroki NakahataMasaki Koenuma (1 patent)Hiroki NakahataHiroki Nakahata (2 patents)Yoshihiro MiedaYoshihiro Mieda (4 patents)Tatsuhisa YabushitaTatsuhisa Yabushita (3 patents)Hiroyuki KobayashiHiroyuki Kobayashi (3 patents)Shukuo IshikawaShukuo Ishikawa (1 patent)Yoshinori SatohYoshinori Satoh (1 patent)Masaki KoenumaMasaki Koenuma (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Namco Limited (2 from 199 patents)


2 patents:

1. 5346398 - Stationary game machine

2. 5039094 - Game machine

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as of
12/24/2025
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