KM

Keiji Makabe

Ricoh Company: 4 patents #178 of 1,810Top 10%
Overall (2017): #43,569 of 506,227Top 9%
4
Patents 2017

Issued Patents 2017

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
9851649 Toner, developer, image forming apparatus, and image forming method Tsuyoshi Sugimoto, Akinori Saito, Suzuka Amemori, Toyoshi Sawada, Hiroshi Yamashita +4 more 2017-12-26
9804516 Toner, developer, image forming apparatus, and process cartridge Tsuneyasu Nagatomo, Kohsuke Satoh, Junichi Watanabe, Kenji Yoneda, Daichi Hisakuni 2017-10-31
9791794 Toner, developer, and image forming apparatus Junichi Watanabe, Kenji Yoneda, Kohsuke Satoh, Tsuneyasu Nagatomo, Daichi Hisakuni 2017-10-17
9594322 Toner for image formation, and developer and image forming apparatus using the toner Suzuka Amemori, Tsuyoshi Sugimoto, Akinori Saito, Toyoshi Sawada 2017-03-14