TH

Tetsuro Hirota

Ricoh Company: 2 patents #300 of 1,584Top 20%
Overall (2019): #114,185 of 560,194Top 25%
2
Patents 2019

Issued Patents 2019

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10317814 Powder supply device and image forming apparatus incorporating same Nobuo Takami, Kenji Kikuchi, Koichi Yamazaki, Atsushi Nakamoto, Naohiro Kawashima +3 more 2019-06-11
10228632 Powder detection device, image forming apparatus, powder detection method, and non-transitory recording medium Mitsufumi Yamamoto, Kenji Kikuchi, Kazuho Satoh, Shingo Nishizaki, Ko Tokumaru 2019-03-12