KO

Koichiro Oyama

Ricoh Company: 3 patents #149 of 1,584Top 10%
Overall (2019): #80,945 of 560,194Top 15%
3
Patents 2019

Issued Patents 2019

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
10323134 Particulate polyamide, and method for preparing the particulate polyamide Yoko Arai, Atsumi Yamabe, Yasuo Kamada 2019-06-18
10273373 Ink and method for producing same, and ink stored container, printing method, and printing apparatus Yuusuke Koizuka, Kazukiyo Nagai, Tomoyuki Shimada, Shigeyuki Harada, Takuya Yamazaki +3 more 2019-04-30
10233341 Ink, method of manufacturing ink, and ink cartridge Yuusuke Koizuka, Kazukiyo Nagai, Tomoyuki Shimada, Shigeyuki Harada, Akihiko Matsuyama +3 more 2019-03-19