KK

Keizo Kojima

Canon: 10 patents #6,241 of 19,416Top 35%
CL Central Glass Company, Limited: 1 patents #505 of 968Top 55%
Overall (All Time): #448,348 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
11722606 Image forming apparatus Takashi Odate 2023-08-08
11489974 Image forming apparatus Takashi Odate 2022-11-01
11474458 Image forming apparatus that determines whether or not plurality of rotating bodies are in state of contact Ryo Matsumura, Keisuke Samejima, Taro Minobe 2022-10-18
11258361 Voltage detection apparatus and image forming apparatus 2022-02-22
11112735 Image forming apparatus Taro Minobe, Naoki Kanno, Atsushi Nakamoto, Toshihiko Takayama, Hideo Nanataki 2021-09-07
10547244 Power supply apparatus and image forming apparatus Takashi Odate, Atsushi Ohno 2020-01-28
10459361 Image forming apparatus with voltage adjustment member Seiji Saito, Keisuke Ishizumi, Toshihiko Takayama, Masaru Ohno, Shingo Ito +3 more 2019-10-29
9300216 Switching power supply and image forming apparatus equipped with switching power supply 2016-03-29
9274490 Power supply apparatus and image forming apparatus 2016-03-01
8891997 Power supply system for stopping and starting operation in accordance with input voltage and image forming apparatus including the same Keisuke Samejima 2014-11-18
6183713 Method for producing nitrogen trifluoride by gas-solid reaction Nobuyuki Tokunaga, Shirou Moroi 2001-02-06