Growing community of inventors

Tokyo, Japan

Keiko Akimoto

Average Co-Inventor Count = 3.00

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 = 11

Keiko AkimotoShinroku Nakao (2 patents)Keiko AkimotoYoshiyasu Ishii (2 patents)Keiko AkimotoKeiko Akimoto (2 patents)Shinroku NakaoShinroku Nakao (135 patents)Yoshiyasu IshiiYoshiyasu Ishii (127 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Combi Co., Ltd. (2 from 169 patents)


2 patents:

1. D302188 - Animal toy

2. D296224 - Toy vehicle

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as of
1/23/2026
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