KO

Kiyoshi Ootsuka

Nsk: 5 patents #309 of 1,559Top 20%
TC Toppan Printing Co.: 1 patents #691 of 1,467Top 50%
Overall (All Time): #851,619 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8966767 Manufacturing method of a drawn cup needle roller bearing having seal ring Tomohiro Kudou, Kazuto Kobayashi, Keiichi Horino, Isao Shintou 2015-03-03
8950283 Method for manufacturing nut for ball screw and ball screw Atsushi Watanabe, Toru Harada, Shouji Yokoyama, Koji Hashimoto, Kazuto Kobayashi +4 more 2015-02-10
8635775 Process for manufacturing a bearing ring member as a constituent of a rolling bearing unit for wheel support Kazuto Kobayashi, Yuu Yasuda 2014-01-28
8177435 Manufacturing method of a drawn cup needle roller bearing having seal ring Tomohiro Kudou, Kazuto Kobayashi, Keiichi Horino, Isao Shintou 2012-05-15
8156781 Steering rack and method of manufacturing the same Kazuto Kobayashi, Kotaro Hirota 2012-04-17
4933712 System for making covering masks for use in photoengraving Akira Kisaku, Hiroyuki Chiba, Hiroyuki Komatsu 1990-06-12