KN

Keigo Nakamura

Ricoh Company: 3 patents #261 of 1,810Top 15%
Overall (2017): #70,985 of 506,227Top 15%
3
Patents 2017

Issued Patents 2017

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
9658579 Image forming apparatus including a transfer bias output device Haruo Iimura, Shinji Aoki 2017-05-23
9563153 Image forming apparatus and image forming method Shinya Tanaka, Naomi Sugimoto, Haruo Iimura, Shinji Aoki, Yasuhiko Ogino +1 more 2017-02-07
9535375 Image forming apparatus with transfer output device outputting superimposed bias as transfer bias Shinya Tanaka, Hirokazu Ishii, Yasunobu Shimizu 2017-01-03