YS

Yuko Sekiguchi

Ricoh Company: 5 patents #3,664 of 9,818Top 40%
Overall (All Time): #993,023 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
9682556 Liquid droplet ejecting method, liquid droplet ejection apparatus, inkjet recording apparatus, production method of fine particles, fine particle production apparatus, and toner Yoshihiro Norikane, Haruo Nakamura, Masaru Ohgaki 2017-06-20
8797373 Liquid droplet ejecting method, liquid droplet ejection apparatus, inkjet recording apparatus, production method of fine particles, fine particle production apparatus, and toner Yoshihiro Norikane, Haruo Nakamura, Masaru Ohgaki 2014-08-05
8574807 Method of manufacturing toner, toner manufacturing apparatus, and method of manufacturing resin particles Yoshihiro Norikane, Masaru Ohgaki, Andrew Mwaniki Mulwa 2013-11-05
8329373 Method and apparatus for producing toner Yoshihiro Norikane, Shinji Aoki, Masaru Ohgaki, Yohichiroh Watanabe, Takahiro Honda +1 more 2012-12-11
8257898 Method of manufacturing a toner, device of manufacturing a toner, and toner Yoshihiro Norikane, Shinji Aoki, Tetsuya Sonoda, Keisuke Uchida, Andrew Mwaniki Mulwa 2012-09-04