Growing community of inventors

Saitama, Japan

Yasuhiro Oba

Average Co-Inventor Count = 1.71

ph-index = 4

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 = 61

Yasuhiro ObaAkira Watanabe (1 patent)Yasuhiro ObaYukinori Kawaguchi (1 patent)Yasuhiro ObaKazuhiko Yokoyama (1 patent)Yasuhiro ObaMitsuru Yamamoto (1 patent)Yasuhiro ObaShigeru Kuroda (1 patent)Yasuhiro ObaKoji Miwa (1 patent)Yasuhiro ObaYasuhiro Oba (5 patents)Akira WatanabeAkira Watanabe (82 patents)Yukinori KawaguchiYukinori Kawaguchi (24 patents)Kazuhiko YokoyamaKazuhiko Yokoyama (17 patents)Mitsuru YamamotoMitsuru Yamamoto (11 patents)Shigeru KurodaShigeru Kuroda (6 patents)Koji MiwaKoji Miwa (5 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Honda Giken Kogyo Kabushiki Kaisha (5 from 10,092 patents)

2. The Ohtsu Tire & Rubber Co., Ltd. (2 from 70 patents)


5 patents:

1. D300011 - Four-wheeled buggy

2. D299631 - Four-wheeled motorcycle

3. D299324 - Four wheeled vehicle

4. D278136 - Road wheel tire

5. D278045 - Road wheel tire

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as of
12/17/2025
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