Growing community of inventors

Yojosuka, Japan

Riozo Akiyama

Average Co-Inventor Count = 6.00

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 = 19

Riozo Akiyama ↔ Akihiro Kamiya (1 patent)Riozo Akiyama ↔ Kenichi Shimizu (1 patent)Riozo Akiyama ↔ Shu Yamazaki (1 patent)Riozo Akiyama ↔ Shiichiro Yoshizaki (1 patent)Riozo Akiyama ↔ Teruji Makuuchi (1 patent)Riozo AkiyamaRiozo Akiyama (1 patent)Akihiro KamiyaAkihiro Kamiya (10 patents)Kenichi ShimizuKenichi Shimizu (2 patents)Shu YamazakiShu Yamazaki (2 patents)Shiichiro YoshizakiShiichiro Yoshizaki (1 patent)Teruji MakuuchiTeruji Makuuchi (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Toshiba Corporation (1 from 193 patents)


1 patent:

1. 4303848 - Discharge lamp and method of making same

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1/5/2026
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