Growing community of inventors

Nagoya, Japan

Yasuo Oyama

Average Co-Inventor Count = 4.36

ph-index = 5

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 = 38

Yasuo OyamaAkira Matsuura (3 patents)Yasuo OyamaKenji Maeta (2 patents)Yasuo OyamaMasaji Ishikawa (2 patents)Yasuo OyamaSadao Kokubu (1 patent)Yasuo OyamaNoriyuki Suzuki (1 patent)Yasuo OyamaKeiji Yamamoto (1 patent)Yasuo OyamaKenichi Fukura (1 patent)Yasuo OyamaYouji Nagashima (1 patent)Yasuo OyamaKotaro Oami (1 patent)Yasuo OyamaKazunori Sakai (1 patent)Yasuo OyamaKazumi Hayashi (1 patent)Yasuo OyamaShigeru Iguchi (1 patent)Yasuo OyamaReiki Kawamura (1 patent)Yasuo OyamaSadato Kita (1 patent)Yasuo OyamaNoriaki Nakatomi (1 patent)Yasuo OyamaHiroshi Demura (1 patent)Yasuo OyamaKouji Takizawa (1 patent)Yasuo OyamaTakeshi Hara (1 patent)Yasuo OyamaTakashi Yoshie (1 patent)Yasuo OyamaKazuyuki Hayashi (1 patent)Yasuo OyamaTeruhito Goto (1 patent)Yasuo OyamaYasuo Oyama (6 patents)Akira MatsuuraAkira Matsuura (9 patents)Kenji MaetaKenji Maeta (11 patents)Masaji IshikawaMasaji Ishikawa (6 patents)Sadao KokubuSadao Kokubu (47 patents)Noriyuki SuzukiNoriyuki Suzuki (18 patents)Keiji YamamotoKeiji Yamamoto (16 patents)Kenichi FukuraKenichi Fukura (13 patents)Youji NagashimaYouji Nagashima (11 patents)Kotaro OamiKotaro Oami (10 patents)Kazunori SakaiKazunori Sakai (7 patents)Kazumi HayashiKazumi Hayashi (5 patents)Shigeru IguchiShigeru Iguchi (5 patents)Reiki KawamuraReiki Kawamura (5 patents)Sadato KitaSadato Kita (4 patents)Noriaki NakatomiNoriaki Nakatomi (4 patents)Hiroshi DemuraHiroshi Demura (3 patents)Kouji TakizawaKouji Takizawa (2 patents)Takeshi HaraTakeshi Hara (2 patents)Takashi YoshieTakashi Yoshie (1 patent)Kazuyuki HayashiKazuyuki Hayashi (1 patent)Teruhito GotoTeruhito Goto (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Other (2 from 832,718 patents)

2. Toyota Jidosha Kabushiki Kaisha (2 from 36,546 patents)

3. Aisin Seiki Kabushiki Kaisha (2 from 5,207 patents)

4. Kabushiki Kaisha Tokai Rika Denki Seisakusho (1 from 2,003 patents)


6 patents:

1. 6588834 - Sliding roof device

2. 6490833 - Weather strip for movable roof

3. 6400254 - Vehicle electronic key system

4. 6196625 - Sliding roof apparatus

5. 6139076 - Unlock mechanism for foldable rear seat back

6. 4820022 - Liquid crystal antidazzle mirror

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as of
12/9/2025
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