Growing community of inventors

Kanagawa-ken, Japan

Hiroyuki Suma

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 = 10

Hiroyuki Suma ↔ Takeo Komatsubara (1 patent)Hiroyuki Suma ↔ Masazo Okajima (1 patent)Hiroyuki Suma ↔ Kazuhisa Ishikawa (1 patent)Hiroyuki Suma ↔ Kyoji Itou (1 patent)Hiroyuki Suma ↔ Masahiko Kamata (1 patent)Hiroyuki Suma ↔ Sachimine Suga (1 patent)Hiroyuki Suma ↔ Ayumi Mori (1 patent)Hiroyuki SumaHiroyuki Suma (1 patent)Takeo KomatsubaraTakeo Komatsubara (14 patents)Masazo OkajimaMasazo Okajima (5 patents)Kazuhisa IshikawaKazuhisa Ishikawa (3 patents)Kyoji ItouKyoji Itou (1 patent)Masahiko KamataMasahiko Kamata (1 patent)Sachimine SugaSachimine Suga (1 patent)Ayumi MoriAyumi Mori (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sanyo Electric Co., Ltd. (1 from 8,782 patents)


1 patent:

1. 6139296 - Method for treating metal surface, rotary shaft for refrigerant

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12/30/2025
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