Growing community of inventors

Tokyo, Japan

Keiji Matsukita

Average Co-Inventor Count = 4.56

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 = 11

Keiji MatsukitaDaisuke Sogabe (3 patents)Keiji MatsukitaTsuyoshi Yamaguchi (2 patents)Keiji MatsukitaKoji Toyohara (2 patents)Keiji MatsukitaTetsuya Matsui (1 patent)Keiji MatsukitaYuji Kawakami (1 patent)Keiji MatsukitaToshinori Ajisaka (1 patent)Keiji MatsukitaKaori Shirobe (1 patent)Keiji MatsukitaTomoharu Okutani (1 patent)Keiji MatsukitaManabu Tashiro (1 patent)Keiji MatsukitaKeiji Matsukita (3 patents)Daisuke SogabeDaisuke Sogabe (8 patents)Tsuyoshi YamaguchiTsuyoshi Yamaguchi (25 patents)Koji ToyoharaKoji Toyohara (3 patents)Tetsuya MatsuiTetsuya Matsui (35 patents)Yuji KawakamiYuji Kawakami (2 patents)Toshinori AjisakaToshinori Ajisaka (1 patent)Kaori ShirobeKaori Shirobe (1 patent)Tomoharu OkutaniTomoharu Okutani (1 patent)Manabu TashiroManabu Tashiro (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Konami Digital Entertainment Co., Ltd. (3 from 530 patents)


3 patents:

1. 10758815 - Game management device, game system, and computer-readable storage medium having program recorded thereon

2. 10518179 - Game device, game system, and computer-readable storage medium having program recorded thereon

3. 10092846 - Game device, game system, and computer-readable storage medium having program recorded thereon

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1/5/2026
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