KO

Kentaro Oba

TK Topy Kogyo Kabushiki Kaisha: 6 patents #4 of 189Top 3%
Overall (All Time): #836,212 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
10322605 Multi-piece rim structure for wheel Keitaro Enami, Zulkaizam Asri Bin Kassim Mohd 2019-06-18
9079456 Lock ring mounting/demounting jig Yukio Nakamura, Etsuro Sugisaki 2015-07-14
8347929 Multi-piece rim and its attaching/removing method Yukio Nakamura, Yoshiyuki Higashino 2013-01-08
6715523 Multi-piece rim Satoru Miyashita, Ichiro Takeuchi 2004-04-06
6260929 Wheel balance weight and a method of manufacturing the same Saburo Maruyama 2001-07-17
6250721 Wheel balance weight Saburo Maruyama 2001-06-26