YK

Yoshiyuki Kumazaki

TO Toyota: 12 patents #2,357 of 26,838Top 9%
SL Sumitomo Riko Company Limited: 2 patents #134 of 446Top 35%
📍 Miyoshi, JP: #224 of 2,464 inventorsTop 10%
Overall (All Time): #404,367 of 4,157,543Top 10%
12
Patents All Time

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
12071054 Vehicle seat Katsuhiko Katagiri 2024-08-27
11724628 Vehicle seat Koji Kimura, Yoshihiro Motoi, Katsuhiko Katagiri 2023-08-15
11628753 Seat frame Kimiyasu KUROKAWA, Keigo Matsumoto 2023-04-18
11472313 Vehicle seat Takashi Hattori 2022-10-18
9566880 Vehicle seat Takao Yamaguchi, Shinya NAGASAKI 2017-02-14
9481267 Vehicle seat Kenji Furukawa 2016-11-01
9010862 Seat frame structure Takao Yamaguchi, Shinya NAGASAKI 2015-04-21
8985691 Vehicle seat Mari Tsuruta 2015-03-24
8376459 Vehicle seat Keisuke Hoshino, Yasuo Suzuki 2013-02-19
8267476 Vehicle seat reclining device Shinji Nonaka 2012-09-18
8141954 Switching mechanisms of vehicle seats Masumi Konaka 2012-03-27
8002355 Vehicular seats Masumi Konaka 2011-08-23