Growing community of inventors

Kani, Japan

Takehiro Ishigami

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

Takehiro Ishigami ↔ Kei Sakanoue (1 patent)Takehiro Ishigami ↔ Tadashi Fujii (1 patent)Takehiro Ishigami ↔ Hajime Ito (1 patent)Takehiro Ishigami ↔ Kenichi Tanaka (1 patent)Takehiro Ishigami ↔ Toshihiro Suzuki (1 patent)Takehiro Ishigami ↔ Hiroaki Isogai (1 patent)Takehiro IshigamiTakehiro Ishigami (1 patent)Kei SakanoueKei Sakanoue (7 patents)Tadashi FujiiTadashi Fujii (5 patents)Hajime ItoHajime Ito (5 patents)Kenichi TanakaKenichi Tanaka (1 patent)Toshihiro SuzukiToshihiro Suzuki (1 patent)Hiroaki IsogaiHiroaki Isogai (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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1/13/2026
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