KN

Kei Niwayama

Ricoh Company: 4 patents #4,167 of 9,818Top 45%
Overall (All Time): #1,177,195 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
10474051 Carrier for developer of electrostatic latent image, two-component developer, replenishing developer, image forming apparatus, and toner stored unit Mariko Takii, Koichi Sakata, Tohru Suganuma, Masahiro Seki, Masashi Nagayama +1 more 2019-11-12
10254674 Carrier for developer of electrostatic latent image, developer, and image forming apparatus Masahiro Seki, Hiroyuki Kishida, Haruki Murata, Shinya Nakagawa, Saori Yamada +1 more 2019-04-09
10031434 Carrier and developer Mariko Takii, Yoshihiro Murasawa, Takahiro Nakamura, Haruki Murata, Masato Taikoji +1 more 2018-07-24
10025214 Carrier, developing agent, image forming apparatus, image forming method, replenishment toner, and process cartridge Masashi Nagayama, Mariko Takii, Yoshihiro Murasawa, Haruki Murata, Tohru Suganuma +4 more 2018-07-17