TU

Tatsushi Umayahara

Ricoh Company: 3 patents #4,826 of 9,818Top 50%
Overall (All Time): #1,514,257 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
9022220 Sieving system, and methods of notifying information, driving and feeding Kaori Ozeki, Hideo Ichikawa, Tetsuya Yoshida 2015-05-05
8973759 Sieving device, sieving device for developing device, and powder-charging device Hideo Ichikawa, Kaori Ozeki, Takashi Ono, Masayoshi Suzuki, Teruo Shibata +8 more 2015-03-10
8931524 Fluid transferer, fluid filling apparatus and fluid transfer method Kazuyoshi Morii, Yusuke Uchida 2015-01-13