Growing community of inventors

Chiyoda-ku, Japan

Nobumasa Otsubo

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 = 1

Nobumasa OtsuboTakahiro Nakajima (2 patents)Nobumasa OtsuboTomohiro Danjo (2 patents)Nobumasa OtsuboKatsuaki Fujiwara (2 patents)Nobumasa OtsuboToshihiro Seike (2 patents)Nobumasa OtsuboNobumasa Otsubo (2 patents)Takahiro NakajimaTakahiro Nakajima (10 patents)Tomohiro DanjoTomohiro Danjo (3 patents)Katsuaki FujiwaraKatsuaki Fujiwara (2 patents)Toshihiro SeikeToshihiro Seike (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Kyowa Kirin Co., Ltd. (2 from 45 patents)


2 patents:

1. 11332455 - α,β-unsaturated amide compound

2. 10787428 - α,β-unsaturated amide compound

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as of
12/7/2025
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