YM

Yohichiro Miyaguchi

Ricoh Company: 9 patents #2,462 of 9,818Top 30%
Overall (All Time): #584,378 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
7200352 Developing apparatus, developing method, image forming apparatus, image forming method and cartridge thereof Katsuo Sakai, Masanori Horike, Nobuaki Kondoh 2007-04-03
7123864 Developing device using electrostatic transport member Masanori Horike, Nobuaki Kondoh, Katsuo Sakai 2006-10-17
7062204 Classifier, developer, and image forming apparatus Masanori Horike, Takeshi Takemoto, Yutaka Ebi, Toshiroh Higuchi 2006-06-13
7024142 Developing apparatus, developing method, image forming apparatus, image forming method and cartridge thereof Katsuo Sakai, Masanori Horike, Nobuaki Kondoh 2006-04-04
6947691 Electrostatic transportation device, development device and image formation apparatus Nobuaki Kondoh, Takeshi Takemoto, Katsuo Sakai, Masanori Horike 2005-09-20
6941098 Classifier, developer, and image forming apparatus Masanori Horike, Takeshi Takemoto, Yutaka Ebi, Toshiroh Higuchi 2005-09-06
6901231 Developing apparatus, developing method, image forming apparatus, image forming method and cartridge thereof Katsuo Sakai, Masanori Horike, Nobuaki Kondoh 2005-05-31
6708014 Electrostatic transportation device, development device and image formation apparatus Nobuaki Kondoh, Takeshi Takemoto, Katsuo Sakai, Masanori Horike 2004-03-16
6367914 Electrostatic ink-jet head and method of production of the same Kouichi Ohtaka, Eiichi Ohta, Mitsugu Irinoda, Takeshi Takemoto, Kenichiro Hashimoto +2 more 2002-04-09