KO

Katsumi Okada

Ricoh Company: 4 patents #4,167 of 9,818Top 45%
KM Kyocera Mita: 2 patents #289 of 763Top 40%
KS Kawasaki Steel: 2 patents #570 of 1,922Top 30%
OC Osaka Titanium Technologies Co.: 1 patents #7 of 31Top 25%
IC Ishikawajima-Harima Heavy Industries Co.: 1 patents #251 of 611Top 45%
SI Sumitomo Metal Industries: 1 patents #630 of 1,462Top 45%
KD Kabushikikaisha Daiki: 1 patents #2 of 7Top 30%
NC Nippon Soda Co.: 1 patents #348 of 648Top 55%
Overall (All Time): #395,563 of 4,157,543Top 10%
12
Patents All Time

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
12264024 Sheet feeding device and image forming apparatus incorporating same 2025-04-01
12049373 Sheet feeding device and image forming apparatus incorporating the sheet feeding device 2024-07-30
11878886 Sheet feeding device and image forming apparatus incorporating same Takuya Moriyama, Kenichiroh Yamahiro 2024-01-23
11613137 Sheet feeding device and image forming apparatus incorporating same Yuuki Nobuoka, Kenichiroh Yamahiro 2023-03-28
10618882 Pyridine-2-yl pyridinium compound and method of using same Yuki Hashimoto, Fuminori Komatsu, Satoshi Kajita, Tomomi KOBAYASHI 2020-04-14
7521133 Titanium oxide photocatalyst, process for producing the same and application Katsuhiro Nishihara, Yasuhiro Masaki, Haruhiko Kajimura, Michiyasu Takahashi, Tadashi Yao +5 more 2009-04-21
7437089 Image forming device having an alternating current frequency regulating apparatus 2008-10-14
7116933 Developing unit, image forming apparatus, and developing method 2006-10-03
5634360 Guiding apparatus for roughing mill Nobuhiro Tazoe, Hiroaki Kuwano, Makoto Shitomi, Hideyuki Nikaido, Takeshi Fujitsu +3 more 1997-06-03
5613390 Corner reduction device equipped with corner rolls, control device thereof, and method of rolling by using these devices Takashi Ishikawa, Takao Yunde, Toshisada Takechi, Takatoshi Amakawa 1997-03-25
5168795 Automatic food frying and vending system 1992-12-08
5029520 Automatic food frying and vending system 1991-07-09