Growing community of inventors

Kobe, Japan

Hiromasa Tsutsumi

Average Co-Inventor Count = 5.00

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 = 4

Hiromasa Tsutsumi ↔ Satoshi Katagata (1 patent)Hiromasa Tsutsumi ↔ Takeshi Fuse (1 patent)Hiromasa Tsutsumi ↔ Kota Iwasaki (1 patent)Hiromasa Tsutsumi ↔ Masanori Furukawa (1 patent)Hiromasa TsutsumiHiromasa Tsutsumi (1 patent)Satoshi KatagataSatoshi Katagata (11 patents)Takeshi FuseTakeshi Fuse (7 patents)Kota IwasakiKota Iwasaki (1 patent)Masanori FurukawaMasanori Furukawa (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Nabtesco Corporation (1 from 379 patents)


1 patent:

1. 8464470 - Railway platform door device

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as of
12/10/2025
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