Growing community of inventors

Yokohama, Japan

Hiroaki Isogai

Average Co-Inventor Count = 7.00

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

Hiroaki Isogai ↔ Kei Sakanoue (1 patent)Hiroaki Isogai ↔ Tadashi Fujii (1 patent)Hiroaki Isogai ↔ Hajime Ito (1 patent)Hiroaki Isogai ↔ Takehiro Ishigami (1 patent)Hiroaki Isogai ↔ Toshihiro Suzuki (1 patent)Hiroaki Isogai ↔ Kenichi Tanaka (1 patent)Hiroaki IsogaiHiroaki Isogai (1 patent)Kei SakanoueKei Sakanoue (7 patents)Tadashi FujiiTadashi Fujii (5 patents)Hajime ItoHajime Ito (5 patents)Takehiro IshigamiTakehiro Ishigami (1 patent)Toshihiro SuzukiToshihiro Suzuki (1 patent)Kenichi TanakaKenichi Tanaka (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Central Japan Railway Company (1 from 118 patents)

2. Nippon Sharyo, Ltd. (1 from 51 patents)


1 patent:

1. 9380863 - Folding table

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as of
12/17/2025
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