Growing community of inventors

Fukuoka, Japan

Shigeyuki Yamada

Average Co-Inventor Count = 9.00

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 = 19

Shigeyuki Yamada ↔ Katsuhiro Kawakami (1 patent)Shigeyuki Yamada ↔ Yutaka Tomioka (1 patent)Shigeyuki Yamada ↔ Satoshi Horiuchi (1 patent)Shigeyuki Yamada ↔ Shingo Kasahara (1 patent)Shigeyuki Yamada ↔ Hiroyuki Takada (1 patent)Shigeyuki Yamada ↔ Toru Ueno (1 patent)Shigeyuki Yamada ↔ Yukinari Matsumoto (1 patent)Shigeyuki Yamada ↔ Narumitsu Suda (1 patent)Shigeyuki YamadaShigeyuki Yamada (1 patent)Katsuhiro KawakamiKatsuhiro Kawakami (6 patents)Yutaka TomiokaYutaka Tomioka (3 patents)Satoshi HoriuchiSatoshi Horiuchi (3 patents)Shingo KasaharaShingo Kasahara (2 patents)Hiroyuki TakadaHiroyuki Takada (1 patent)Toru UenoToru Ueno (1 patent)Yukinari MatsumotoYukinari Matsumoto (1 patent)Narumitsu SudaNarumitsu Suda (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Toto Ltd. (1 from 1,190 patents)


1 patent:

1. 6383646 - Sanitary ware and process for producing same

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12/5/2025
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