Growing community of inventors

Tokyo, Japan

Yukio Okawa

Average Co-Inventor Count = 4.00

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

Yukio Okawa ↔ Shinsuke Inoue (1 patent)Yukio Okawa ↔ Hiroyasu Niitsuma (1 patent)Yukio Okawa ↔ Hidetaka Ogino (1 patent)Yukio OkawaYukio Okawa (1 patent)Shinsuke InoueShinsuke Inoue (9 patents)Hiroyasu NiitsumaHiroyasu Niitsuma (3 patents)Hidetaka OginoHidetaka Ogino (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Shinagawa Refractories Co., Ltd. (1 from 100 patents)


1 patent:

1. 9573189 - Submerged nozzle for continuous casting apparatus

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12/8/2025
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