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Yoshiaki Yamakawa

Aisin Seiki Kabushiki Kaisha: 2 patents #39 of 368Top 15%
📍 Toyota, MI: #3 of 7 inventorsTop 45%
Overall (2017): #89,885 of 506,227Top 20%
2
Patents 2017

Issued Patents 2017

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
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