Growing community of inventors

Kitakyushu, Japan

Naoki Ushijima

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 = 15

Naoki Ushijima ↔ Kazunori Watanabe (1 patent)Naoki Ushijima ↔ Motohiro Nakamura (1 patent)Naoki Ushijima ↔ Kazuteru Maekawa (1 patent)Naoki Ushijima ↔ Sadahiro Koshiba (1 patent)Naoki Ushijima ↔ Hiroyuki Tashiro (1 patent)Naoki Ushijima ↔ Yukiko Katsuki (1 patent)Naoki UshijimaNaoki Ushijima (1 patent)Kazunori WatanabeKazunori Watanabe (41 patents)Motohiro NakamuraMotohiro Nakamura (41 patents)Kazuteru MaekawaKazuteru Maekawa (35 patents)Sadahiro KoshibaSadahiro Koshiba (15 patents)Hiroyuki TashiroHiroyuki Tashiro (10 patents)Yukiko KatsukiYukiko Katsuki (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Toyota Jidosha Kabushiki Kaisha (1 from 36,653 patents)

2. Aisin Aw Co., Ltd. (1 from 2,064 patents)

3. Zenrin Co., Ltd. (1 from 19 patents)


1 patent:

1. 8731808 - Road network analysis system

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12/29/2025
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