Growing community of inventors

Osaka, Japan

Hiroyuki Yamabe

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 = 5

Hiroyuki Yamabe ↔ Masao Nakayama (1 patent)Hiroyuki Yamabe ↔ Naoyoshi Akiyoshi (1 patent)Hiroyuki Yamabe ↔ Kimio Nakada (1 patent)Hiroyuki Yamabe ↔ Katsumi Koda (1 patent)Hiroyuki YamabeHiroyuki Yamabe (1 patent)Masao NakayamaMasao Nakayama (4 patents)Naoyoshi AkiyoshiNaoyoshi Akiyoshi (3 patents)Kimio NakadaKimio Nakada (1 patent)Katsumi KodaKatsumi Koda (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Toho Kinzoku Co., Ltd. (1 from 6 patents)


1 patent:

1. 5889220 - Copper-tungsten alloys and their manufacturing methods

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12/12/2025
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