Growing community of inventors

Hokkaido, Japan

Ryosuke Sakai

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 = 2

Ryosuke Sakai ↔ Fumiaki Takagi (1 patent)Ryosuke Sakai ↔ Masami Yamanaka (1 patent)Ryosuke Sakai ↔ Toshifumi Satoh (1 patent)Ryosuke Sakai ↔ Toyoji Kakuchi (1 patent)Ryosuke SakaiRyosuke Sakai (1 patent)Fumiaki TakagiFumiaki Takagi (15 patents)Masami YamanakaMasami Yamanaka (5 patents)Toshifumi SatohToshifumi Satoh (3 patents)Toyoji KakuchiToyoji Kakuchi (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Idemitsu Kosan Company, Limited (1 from 2,271 patents)


1 patent:

1. 8703684 - Aqueous lubricant

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12/20/2025
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