MN

Masashi Nagayama

Ricoh Company: 4 patents #92 of 1,584Top 6%
Overall (2019): #48,691 of 560,194Top 9%
4
Patents 2019

Issued Patents 2019

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, Shinya Nakagawa +1 more 2019-11-12
10444651 Carrier, developer, supplemental developer, image forming apparatus, image forming method, and process cartridge Mariko Takii, Koichi Sakata, Tohru Suganuma, Masahiro Seki, Toyoaki Tano +1 more 2019-10-15
10274856 Toner for electrophotography, image forming method, and process cartridge Hisashi Nakajima, Kazumi Suzuki, Saori Yamada, Yoshitaka Yamauchi, Yu Naito +1 more 2019-04-30
10203620 Toner, image forming method, and process cartridge Yu Naito, Kazumi Suzuki, Yoshitaka Yamauchi, Hisashi Nakajima, Saori Yamada 2019-02-12