YS

Yasunobu Shimizu

Ricoh Company: 3 patents #261 of 1,810Top 15%
Overall (2017): #53,959 of 506,227Top 15%
3
Patents 2017

Issued Patents 2017

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
9772579 Developing device and image forming apparatus incorporating same Yuki Oshikawa, Akira Azami, Yoshiko Ogawa, Masaaki Yamada, Yoshihiro Fujiwara +6 more 2017-09-26
9625851 Developing device and image forming apparatus incorporating same Yuki Oshikawa, Akira Azami, Yoshiko Ogawa, Masaaki Yamada, Yoshihiro Fujiwara +6 more 2017-04-18
9535375 Image forming apparatus with transfer output device outputting superimposed bias as transfer bias Shinya Tanaka, Hirokazu Ishii, Keigo Nakamura 2017-01-03