KN

Kei Niwayama

Ricoh Company: 2 patents #386 of 1,821Top 25%
Overall (2018): #129,786 of 503,207Top 30%
2
Patents 2018

Issued Patents 2018

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
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