Growing community of inventors

Tokyo, Japan

Takuya Kai

Average Co-Inventor Count = 4.00

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 = 13

Takuya KaiToshiharu Yabe (6 patents)Takuya KaiYushi Takagi (6 patents)Takuya KaiKenji Iguchi (6 patents)Takuya KaiMaya Sawamura (4 patents)Takuya KaiJun Ishida (2 patents)Takuya KaiMasaru Kihara (1 patent)Takuya KaiAkira Saguchi (1 patent)Takuya KaiTakeshi Kajiwara (4 patents)Takuya KaiYusuke Shingai (1 patent)Takuya KaiTakuya Kai (8 patents)Toshiharu YabeToshiharu Yabe (17 patents)Yushi TakagiYushi Takagi (8 patents)Kenji IguchiKenji Iguchi (6 patents)Maya SawamuraMaya Sawamura (7 patents)Jun IshidaJun Ishida (25 patents)Masaru KiharaMasaru Kihara (32 patents)Akira SaguchiAkira Saguchi (13 patents)Takeshi KajiwaraTakeshi Kajiwara (4 patents)Yusuke ShingaiYusuke Shingai (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Gree, Inc. (6 from 524 patents)

2. Fdk Corporation (2 from 206 patents)


8 patents:

1. 12128320 - Ranking list display method in game system, and system for executing the method

2. 11247131 - Ranking list display method in game system, and system for executing the method

3. 10850194 - Terminal display control method, terminal display system and server apparatus

4. 10693194 - Nickel hydrogen secondary battery

5. 9782673 - Terminal display control method, terminal display system and server apparatus

6. 9737816 - Ranking list display method in game system, and system for executing the method

7. 9561434 - Ranking list display method in game system, and system for executing the method

8. 9306215 - Nickel-metal hydride secondary cell and negative electrode therefor

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as of
12/27/2025
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