KO

Kazunari Ooyama

Canon: 7 patents #7,830 of 19,416Top 45%
📍 Ibaraki, JP: #1,449 of 6,779 inventorsTop 25%
Overall (All Time): #688,860 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
12429791 Toner Yuu Nishimura, Nobuyoshi Sugahara, Hitoshi Sano, Toru Takahashi, Kazuki Murata +5 more 2025-09-30
12099326 Toner Shin Kitamura, Nobuyoshi Sugahara, Daisuke Tsujimoto, Yuu Nishimura, Kazuki Murata +5 more 2024-09-24
11698594 Toner Toru Takahashi, Nobuyoshi Sugahara, Hitoshi Sano, Yuu Nishimura, Kohji Takenaka +1 more 2023-07-11
10642175 Electrophotographic photosensitive member and method for producing electrophotographic photosensitive member Jun Ohira, Hironori Owaki, Yukihiro Abe, Yasuo Kojima, Takanori Ueno 2020-05-05
10338486 Electrophotographic photosensitive member and electrophotographic apparatus Yukihiro Abe, Jun Ohira, Takanori Ueno, Hironori Owaki, Yasuo Kojima 2019-07-02
9372416 Method for manufacturing electrophotographic photosensitive member Satoshi Kojima, Yukihiro Abe 2016-06-21
8455163 Electrophotographic photosensitive member and electrophotographic apparatus Makoto Aoki, Hironori Owaki 2013-06-04