Growing community of inventors

Kumamoto, Japan

Toyonori Matsuda

Average Co-Inventor Count = 2.00

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 = 4

Toyonori MatsudaHideo Itoh (1 patent)Toyonori MatsudaToyonori Matsuda (1 patent)Hideo ItohHideo Itoh (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Other (1 from 832,680 patents)

2. Agency of Industrial Science and Technology (1 from 1,037 patents)

3. Ministry of International Trade & Industry (1 from 348 patents)


1 patent:

1. 6913811 - Photocatalytic colored member and method of manufacturing the same

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12/4/2025
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