Growing community of inventors

Tokyo, Japan

Kazunobu Koike

Average Co-Inventor Count = 1.60

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 = 22

Kazunobu Koike ↔ Yoshiyasu Ishii (2 patents)Kazunobu Koike ↔ Takehiko Takahashi (2 patents)Kazunobu Koike ↔ Taira Hanashima (2 patents)Kazunobu KoikeKazunobu Koike (4 patents)Yoshiyasu IshiiYoshiyasu Ishii (127 patents)Takehiko TakahashiTakehiko Takahashi (50 patents)Taira HanashimaTaira Hanashima (28 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Combi Corporation (2 from 192 patents)

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


4 patents:

1. D341166 - Toy

2. D336118 - Toy vehicle

3. D322641 - Toy vehicle

4. D317334 - Toy vehicle

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as of
1/5/2026
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