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Yoshiaki Yamakawa

Aisin Seiki Kabushiki Kaisha: 12 patents #243 of 3,782Top 7%
📍 Toyota, MI: #8 of 19 inventorsTop 45%
Overall (All Time): #413,047 of 4,157,543Top 10%
12
Patents All Time

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
10626760 Valve opening/closing timing control device Masaki Kobayashi, Yusuke Hisaeda 2020-04-21
10550736 Valve opening and closing timing control apparatus Hiroyuki Amano, Masaki Kobayashi 2020-02-04
10539049 Valve opening/closing timing control device Masaki Kobayashi 2020-01-21
10450905 Variable valve timing control device Masaki Kobayashi, Hiromitsu SHIGYO 2019-10-22
10337363 Valve opening and closing timing control apparatus Masaki Kobayashi 2019-07-02
9958076 Flow passage partition structure and fluid control valve Masaki Kobayashi, Hiromitsu SHIGYO 2018-05-01
9903235 Valve timing control apparatus Hiroki Mukaide, Naoto Toma, Masaki Kobayashi, Takeshi Hayashi, Hiroyuki Amano 2018-02-27
9708939 Valve open/close timing control device Masaki Kobayashi, Kazuo Ueda 2017-07-18
9689283 Valve opening/closing timing control device Masaki Kobayashi, Hiroyuki Amano 2017-06-27
9447710 Variable valve timing control device Masaki Kobayashi 2016-09-20
9441563 Vehicle control device Masaki Kobayashi, Kazuo Ueda 2016-09-13
9410454 Valve opening/closing timing control device Masaki Kobayashi 2016-08-09