Growing community of inventors

Takahama, Japan

Yoshihiko Ooya

Average Co-Inventor Count = 3.20

ph-index = 3

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

Yoshihiko Ooya ↔ Kouji Izutani (2 patents)Yoshihiko Ooya ↔ Noriya Matsumoto (2 patents)Yoshihiko Ooya ↔ Kenji Okabe (2 patents)Yoshihiko Ooya ↔ Toshiyuki Yonemoto (2 patents)Yoshihiko Ooya ↔ Shigeru Nonoyama (1 patent)Yoshihiko Ooya ↔ Osamu Takamisawa (1 patent)Yoshihiko OoyaYoshihiko Ooya (4 patents)Kouji IzutaniKouji Izutani (19 patents)Noriya MatsumotoNoriya Matsumoto (15 patents)Kenji OkabeKenji Okabe (10 patents)Toshiyuki YonemotoToshiyuki Yonemoto (6 patents)Shigeru NonoyamaShigeru Nonoyama (9 patents)Osamu TakamisawaOsamu Takamisawa (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Denso Corporation (2 from 19,697 patents)

2. Nippondenso Co., Ltd. (2 from 3,252 patents)

3. Kyosan Denki Co., Ltd. (1 from 84 patents)


4 patents:

1. 8070940 - Fuel filter device

2. 7793642 - Fuel supply apparatus

3. 5759392 - Fuel filter and fixing apparatus thereof

4. 5525219 - Fuel filter and fixing apparatus thereof

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as of
12/6/2025
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