Growing community of inventors

Tokyo, Japan

Takayama Rikiya

Average Co-Inventor Count = 1.00

ph-index = NA

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

Takayama Rikiya ↔ Masaaki Toriyabe (2 patents)Takayama Rikiya ↔ Hashiba Yuji (0 patent)Takayama Rikiya ↔ Sasaki Kiyohito (0 patent)Takayama Rikiya ↔ Totsuka Yasuhito (0 patent)Takayama Rikiya ↔ Sakabayashi Naoki (0 patent)Takayama RikiyaTakayama Rikiya (0 patent)Masaaki ToriyabeMasaaki Toriyabe (2 patents)Hashiba YujiHashiba Yuji (0 patent)Sasaki KiyohitoSasaki Kiyohito (0 patent)Totsuka YasuhitoTotsuka Yasuhito (0 patent)Sakabayashi NaokiSakabayashi Naoki (0 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Nippon Steel Corporation (3,554 patents)

2. Nippon Steel & Sumikin Welding Co., Ltd. (2 patents)


0 patent:

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as of
12/17/2025
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