Growing community of inventors

Osaka, Japan

Takahiro Kokubo

Average Co-Inventor Count = 5.46

ph-index = 1

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 = 0

Takahiro KokuboHideki Oe (2 patents)Takahiro KokuboNaotaka Tani (2 patents)Takahiro KokuboHiroshi Onomura (2 patents)Takahiro KokuboMitsuro Fujiie (2 patents)Takahiro KokuboKeigo Yamamura (1 patent)Takahiro KokuboTakahiro Kokubo (2 patents)Hideki OeHideki Oe (3 patents)Naotaka TaniNaotaka Tani (2 patents)Hiroshi OnomuraHiroshi Onomura (2 patents)Mitsuro FujiieMitsuro Fujiie (2 patents)Keigo YamamuraKeigo Yamamura (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Kaneka Corporation (2 from 1,702 patents)

2. Sekisui House, Ltd. (2 from 36 patents)

3. Daydo Co., Ltd. (1 from 1 patent)


2 patents:

1. 12199549 - Solar battery module installation structure and dwelling

2. 12146324 - Solar cell module installation structure, house, and solar cell module

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as of
12/19/2025
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