Growing community of inventors

Fujieda, Japan

Takuma Oba

Average Co-Inventor Count = 6.00

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 = 7

Takuma Oba ↔ Norio Watanabe (1 patent)Takuma Oba ↔ Takuya Sugimoto (1 patent)Takuma Oba ↔ Yasuhiko Sato (1 patent)Takuma Oba ↔ Katsuya Taguchi (1 patent)Takuma Oba ↔ Noboru Momose (1 patent)Takuma ObaTakuma Oba (1 patent)Norio WatanabeNorio Watanabe (14 patents)Takuya SugimotoTakuya Sugimoto (9 patents)Yasuhiko SatoYasuhiko Sato (7 patents)Katsuya TaguchiKatsuya Taguchi (4 patents)Noboru MomoseNoboru Momose (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Kaken Pharmaceutical Company, Ltd. (1 from 136 patents)


1 patent:

1. D880692 - Medicine mixing device

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as of
1/2/2026
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