Growing community of inventors

Hino, Japan

Norio Ohnuma

Average Co-Inventor Count = 5.00

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 = 2

Norio OhnumaKiyoshi Bannai (1 patent)Norio OhnumaSeiichi Ishizuka (1 patent)Norio OhnumaTatuyuki Naruchi (1 patent)Norio OhnumaJunji Kubo (1 patent)Norio OhnumaNorio Ohnuma (1 patent)Kiyoshi BannaiKiyoshi Bannai (11 patents)Seiichi IshizukaSeiichi Ishizuka (10 patents)Tatuyuki NaruchiTatuyuki Naruchi (3 patents)Junji KuboJunji Kubo (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Teijin Limited (1 from 1,586 patents)


1 patent:

1. 4237125 - 1.alpha.-Hydroxy-24-dehydrovitamin .sub.3 pharmaceutical compositions

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12/9/2025
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