Growing community of inventors

Fukuoka, Japan

Ryuzo Fukuda

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 = 11

Ryuzo FukudaNaoki Tsukamura (1 patent)Ryuzo FukudaManabu Hirahara (1 patent)Ryuzo FukudaYukio Tashiro (1 patent)Ryuzo FukudaNoriyuki Matsui (1 patent)Ryuzo FukudaRyuzo Fukuda (1 patent)Naoki TsukamuraNaoki Tsukamura (3 patents)Manabu HiraharaManabu Hirahara (2 patents)Yukio TashiroYukio Tashiro (1 patent)Noriyuki MatsuiNoriyuki Matsui (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Toto Ltd. (1 from 1,192 patents)


1 patent:

1. 5398348 - Water urinal

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12/20/2025
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