Growing community of inventors

Osaka, Japan

Hirofumi Ohta

Average Co-Inventor Count = 4.00

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

Hirofumi OhtaMasakuni Tsuge (1 patent)Hirofumi OhtaHiroyuki Tsuda (1 patent)Hirofumi OhtaKoichi Washimi (1 patent)Hirofumi OhtaHirofumi Ohta (1 patent)Masakuni TsugeMasakuni Tsuge (8 patents)Hiroyuki TsudaHiroyuki Tsuda (2 patents)Koichi WashimiKoichi Washimi (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Honda Motor Co., Ltd. (1 from 21,831 patents)


1 patent:

1. 7653480 - Traffic information providing system

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12/8/2025
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