YA

Yoko Arai

Ricoh Company: 6 patents #3,275 of 9,818Top 35%
Overall (All Time): #836,227 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
10323134 Particulate polyamide, and method for preparing the particulate polyamide Atsumi Yamabe, Koichiro Oyama, Yasuo Kamada 2019-06-18
10138344 Particulate polyamide, and method for preparing the particulate polyamide Atsumi Yamabe, Koichiro Oyama, Yasuo Kamada 2018-11-27
9587072 Method for producing polymer Taichi Nemoto, Chiaki Tanaka, Satoshi Izumi, Yasuo Kamada 2017-03-07
9447228 Polymer production apparatus and polymer production method Yuuichi Satoh, Satoshi Izumi, Taichi Nemoto, Yasuo Kamada, Chiaki Tanaka 2016-09-20
9110438 Flange member, photosensitive drum, process cartridge, image forming apparatus, and image forming method Daisuke Kubo, Keiichi Yano, Akira Nakamura 2015-08-18
9031463 Electrophotographic photoconductor, image forming method, image forming apparatus and process cartridge Keisuke Kamitsu, Shinichi Togashi 2015-05-12