KO

Kazunori Oooka

NS Nippon Steel: 2 patents #1,308 of 4,423Top 30%
NM Nippon Steel & Sumitomo Metal: 1 patents #786 of 1,491Top 55%
Overall (All Time): #1,415,499 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
11400505 Press tooling Toshimitsu Aso, Hiroshi Yoshida, Daisuke Yasufuku, Yasuharu Tanaka, Takashi Miyagi +2 more 2022-08-02
11351591 Hold device Toshimitsu Aso, Hiroshi Yoshida, Daisuke Yasufuku, Yasuharu Tanaka, Takashi Miyagi +2 more 2022-06-07
9718499 Press component and method and device for manufacturing same Yasuharu Tanaka, Toshimitsu Aso, Takashi Miyagi, Misao Ogawa, Kazuyuki Kawano +1 more 2017-08-01