KU

Kazuhiko Umemura

Ricoh Company: 2 patents #300 of 1,584Top 20%
Overall (2019): #152,270 of 560,194Top 30%
2
Patents 2019

Issued Patents 2019

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10414932 Ink, ink container, and inkjet recording device Hiroyuki Fushimi, Yoshihiro Moriya, Tamotsu Aruga 2019-09-17
10328722 Image forming method and image forming apparatus Keita Katoh, Hiroshi Gotou, Masayasu Nonogaki, Masaki Kudo 2019-06-25