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Yoshiki Yanagawa

Ricoh Company: 3 patents #185 of 1,487Top 15%
Overall (2020): #61,720 of 565,922Top 15%
3
Patents 2020

Issued Patents 2020

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
10844235 Ink, method of manufacturing ink, and ink cartridge Yuusuke Koizuka, Kazukiyo Nagai, Tomoyuki Shimada, Shigeyuki Harada, Akihiko Matsuyama +3 more 2020-11-24
10730319 Drying device, liquid discharge apparatus, and drying method Hideaki Nishimura, Yoshiaki Hoshino, Hirokazu Ikenoue, Amika Sagara 2020-08-04
10603929 Drying device and image forming apparatus Ryota Iwasaki, Hiromi Sakaguchi, Kaori Toyama, Satoshi Takahashi, Toshihiro Yoshinuma +4 more 2020-03-31