Growing community of inventors

Tokyo, Japan

Yuji Sumiyoshi

Average Co-Inventor Count = 7.00

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 = 0

Yuji SumiyoshiYohei Oki (1 patent)Yuji SumiyoshiHiroyuki Takaoka (3 patents)Yuji SumiyoshiDaiyu Aoki (1 patent)Yuji SumiyoshiAkina Kawada (1 patent)Yuji SumiyoshiTomoyuki Iwabuchi (1 patent)Yuji SumiyoshiManabu Isei (1 patent)Yuji SumiyoshiNagomi Yoshizaki (1 patent)Yuji SumiyoshiYuji Sumiyoshi (1 patent)Yohei OkiYohei Oki (4 patents)Hiroyuki TakaokaHiroyuki Takaoka (3 patents)Daiyu AokiDaiyu Aoki (1 patent)Akina KawadaAkina Kawada (1 patent)Tomoyuki IwabuchiTomoyuki Iwabuchi (1 patent)Manabu IseiManabu Isei (1 patent)Nagomi YoshizakiNagomi Yoshizaki (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sft Laboratory Co., Ltd. (1 from 17 patents)

2. Hi-Lex Corporation (114 patents)


1 patent:

1. 11745782 - Stroller seat and stroller seat with electric fan

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1/18/2026
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