Growing community of inventors

Hitachi, Japan

Ryouji Tan

Average Co-Inventor Count = 8.00

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 = 16

Ryouji Tan ↔ Masato Fukasawa (1 patent)Ryouji Tan ↔ Takashi Ikeda (1 patent)Ryouji Tan ↔ Hatuo Sugitani (1 patent)Ryouji Tan ↔ Osamu Higashida (1 patent)Ryouji Tan ↔ Yuugo Kumagai (1 patent)Ryouji Tan ↔ Chiaki Okada (1 patent)Ryouji Tan ↔ Tetsuya Fujii (1 patent)Ryouji TanRyouji Tan (1 patent)Masato FukasawaMasato Fukasawa (20 patents)Takashi IkedaTakashi Ikeda (6 patents)Hatuo SugitaniHatuo Sugitani (5 patents)Osamu HigashidaOsamu Higashida (5 patents)Yuugo KumagaiYuugo Kumagai (3 patents)Chiaki OkadaChiaki Okada (2 patents)Tetsuya FujiiTetsuya Fujii (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Hitachi Chemical Company, Ltd. (1 from 1,641 patents)


1 patent:

1. 4985328 - Dry toner, dry developer and process for forming electrophotographic

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12/7/2025
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