AT

Akihiro Takeyama

Ricoh Company: 2 patents #452 of 1,810Top 25%
Overall (2017): #173,464 of 506,227Top 35%
2
Patents 2017

Issued Patents 2017

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9588451 Toner, developer, and image forming apparatus Shinya Nakayama, Akinori Saitoh, Shinsuke Nagai, Hiroyuki Takeda 2017-03-07
9557671 Electrostatic image developing toner, developer, and image forming apparatus Ryuta Chiba, Shinya Nakayama, Hiroshi Yamada, Minoru Masuda, Akinori Saitoh +6 more 2017-01-31