Growing community of inventors

Osaka, Japan

Tetsuji Hatanaka

Average Co-Inventor Count = 1.00

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

Tetsuji HatanakaTetsuji Hatanaka (2 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Oohiro Works, Ltd. (1 from 66 patents)

2. Oohiro Works Co., Ltd. (1 from 2 patents)


2 patents:

1. 6519789 - Shampoo basin

2. D440775 - Dressing mirror

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idiyas.com
as of
12/31/2025
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