MO

Mitsuru Oikawa

Samsung: 4 patents #25,854 of 75,807Top 35%
HP HP: 3 patents #4,446 of 16,619Top 30%
SC S-Printing Solution Co.: 3 patents #50 of 396Top 15%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
Overall (All Time): #449,788 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
11487224 Developing device with elastic film to block air input Ohdug Kwon, Yoshihiko Ichikawa 2022-11-01
11237500 Developing device with structure to prevent scattering toner using magnetic repulsive force Jong-Hyun Park, Hojin Jang 2022-02-01
10969739 Developing device having air outlet Jong-Hyun Park, Jong-Hwa Park 2021-04-06
10126679 Developing casing of a developing unit for an electrophotographic image forming apparatus having a developer collection inlet to collect developer moving along a discharge path Dong Uk Kim, Jong-Hyun Park 2018-11-13
10101687 Developing apparatus and image forming apparatus having same Jin Hong Kim, Dae Ho Kim, Jun Hee Lee 2018-10-16
10078292 Toner cartridge, image forming apparatus including the same, and method for controlling the image forming apparatus Min Woo Kang, Jin Hong Kim, Ho Young Lee 2018-09-18
9223245 Developing device to form a uniform developer layer on a developing member and electrophotographic image forming apparatus using the same Sang Don Lee, Jong-pil Jun 2015-12-29
9207568 Developing unit adopting a two component agent and electrophotographic image forming apparatus employing the same Ho Young Lee, Jong-Hyun Park, Sang Hoon Lee, Jun Hee Lee 2015-12-08
8644737 Developing device and electrophotographic image forming apparatus including the same Seong Min Park 2014-02-04
8309288 Color toner and preparation method thereof Hisao Okada 2012-11-13
4248947 Method for master pattern production 1981-02-03