YS

Yasunobu Shimizu

Ricoh Company: 2 patents #386 of 1,821Top 25%
Overall (2018): #88,886 of 503,207Top 20%
2
Patents 2018

Issued Patents 2018

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9921541 Developing device, and image forming apparatus and process cartridge incorporating same Akira Azami, Masaaki Yamada, Yoshiko Ogawa, Toshio Koike, Mutsuki Morinaga +4 more 2018-03-20
9864307 Image forming apparatus with a controller to set transfer bias Kenji Sengoku, Hiromi Ogiyama, Hiroyoshi Haga, Tomokazu Takeuchi, Junpei Fujita 2018-01-09