Growing community of inventors

Marugame, Japan

Tosimasa Maruyama

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 = 12

Tosimasa Maruyama ↔ Hiroyuki Sasao (1 patent)Tosimasa Maruyama ↔ Yuichi Wada (1 patent)Tosimasa Maruyama ↔ Suenobu Hamano (1 patent)Tosimasa Maruyama ↔ Yutaka Murai (1 patent)Tosimasa Maruyama ↔ Hirosi Hasegawa (1 patent)Tosimasa MaruyamaTosimasa Maruyama (1 patent)Hiroyuki SasaoHiroyuki Sasao (22 patents)Yuichi WadaYuichi Wada (12 patents)Suenobu HamanoSuenobu Hamano (8 patents)Yutaka MuraiYutaka Murai (2 patents)Hirosi HasegawaHirosi Hasegawa (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Mitsubishi Denki Kabushiki Kaisha (1 from 21,351 patents)


1 patent:

1. 4786770 - Switchgear

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as of
1/11/2026
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