TH

Tetsuro Hirota

Ricoh Company: 2 patents #452 of 1,810Top 25%
Overall (2017): #100,273 of 506,227Top 20%
2
Patents 2017

Issued Patents 2017

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9817335 Powder amount detector, powder supply device, and image forming apparatus incorporating same Naohiro Kawashima, Koichi Yamazaki, Nobuo Takami, Atsushi Nakamoto, Shinnosuke Koshizuka +4 more 2017-11-14
9645538 Developing device, and image forming apparatus and process cartridge incorporating same Masahiro Watanabe 2017-05-09