Growing community of inventors

Hokkaido, Japan

Toyoji Kakuchi

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

Toyoji Kakuchi ↔ Fumiaki Takagi (1 patent)Toyoji Kakuchi ↔ Masami Yamanaka (1 patent)Toyoji Kakuchi ↔ Toshifumi Satoh (1 patent)Toyoji Kakuchi ↔ Ryosuke Sakai (1 patent)Toyoji KakuchiToyoji Kakuchi (1 patent)Fumiaki TakagiFumiaki Takagi (15 patents)Masami YamanakaMasami Yamanaka (5 patents)Toshifumi SatohToshifumi Satoh (3 patents)Ryosuke SakaiRyosuke Sakai (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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as of
12/20/2025
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