Growing community of inventors

Kawagoe, Japan

Shinji Ohnaka

Average Co-Inventor Count = 3.00

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 = 18

Shinji Ohnaka ↔ Hisashi Saito (1 patent)Shinji Ohnaka ↔ Shigeo Fukuda (1 patent)Shinji OhnakaShinji Ohnaka (1 patent)Hisashi SaitoHisashi Saito (2 patents)Shigeo FukudaShigeo Fukuda (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Kao Corporation (1 from 3,601 patents)

2. Kawaken Fine Chemicals Co., Ltd. (1 from 14 patents)


1 patent:

1. 4843173 - Process for producing gluconic acid

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12/13/2025
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