YT

Yukitoshi Tajima

Ricoh Company: 14 patents #1,578 of 9,818Top 20%
VJ Victor Company Of Japan: 2 patents #523 of 1,489Top 40%
📍 Zama, JP: #50 of 615 inventorsTop 9%
Overall (All Time): #298,743 of 4,157,543Top 8%
16
Patents All Time

Issued Patents All Time

Showing 1–16 of 16 patents

Patent #TitleCo-InventorsDate
9022521 Droplet discharge head, and image forming apparatus Takafumi Sasaki 2015-05-05
9004641 Liquid droplet discharge head, liquid droplet discharge apparatus, and image forming apparatus 2015-04-14
8899728 Droplet discharge head and image-forming apparatus including a first and second substrate the second substrate including three plates Hideaki Nishimura, Takafumi Sasaki 2014-12-02
8708459 Droplet ejection head, method of manufacturing droplet ejection head, and droplet ejection apparatus Hideaki Nishimura, Mitsuya Matsubara, Masaki Kato, Kiyoshi Yamaguchi 2014-04-29
8684493 Droplet-discharging-head manufacturing apparatus, droplet-discharging-head manufacturing method, droplet discharging head, droplet discharging device, and printing apparatus Keiji Ueda 2014-04-01
8678545 Inkjet head and inkjet recording apparatus Hideaki Nishimura 2014-03-25
8646870 Inkjet recording apparatus Hideaki Nishimura, Masaki Kato, Kiyoshi Yamaguchi 2014-02-11
8578877 Spin coater, temperature controlling method of the same, optical disc production apparatus, and optical disc production method 2013-11-12
8480208 Liquid-droplet ejection head and liquid-droplet ejection apparatus including same Takeshi Takemoto 2013-07-09
8292416 Inkjet printer head Takakazu Kihira 2012-10-23
7419710 Stamper for molding article and method of producing said stamper Shozo Murata 2008-09-02
6998163 Optical disk and method of producing the same Shozo Murata 2006-02-14
6686018 Optical disk and method of producing the same Shozo Murata 2004-02-03
6468618 Optical disk and method of producing the same Shozo Murata 2002-10-22
4826005 Packaging of information recording media Hiromitsu Sakamoto, Nagisa Horiguchi 1989-05-02
4782645 Packaging of information recording media Hiromitsu Sakamoto, Nagisa Horiguchi 1988-11-08