YH

Yukihiro Hanaoka

SE Seiko Epson: 51 patents #197 of 7,774Top 3%
Overall (All Time): #50,328 of 4,157,543Top 2%
52
Patents All Time

Issued Patents All Time

Showing 26–50 of 52 patents

Patent #TitleCo-InventorsDate
7513614 Ink tank and ink jet printer Atsushi Nishioka, Manabu Yamada 2009-04-07
7290869 Liquid container 2007-11-06
7252377 Ink tank and ink jet printer Atsushi Nishioka, Manabu Yamada 2007-08-07
7029106 Ink tank and ink jet printer Atsushi Nishioka, Manabu Yamada 2006-04-18
7021736 Ink tank and ink jet printer incorporating the same Koji Yamada, Hiroyuki Nakayama, Manabu Yamada 2006-04-04
6966642 Ink tank and ink-jet printer using the same Koji Yamada, Manabu Yamada 2005-11-22
6848776 Ink tank and ink jet printer Atsushi Nishioka, Manabu Yamada 2005-02-01
6736496 Ink tank and ink-jet printer using the same Koji Yamada, Manabu Yamada 2004-05-18
6578941 Ink jet printer Kenichiro Arai 2003-06-17
6408161 Image reading apparatus and image information process apparatus Masahiro Minowa 2002-06-18
6398336 Ink jet recording apparatus and maintenance method therefor Satoshi Yoda 2002-06-04
6364448 Ink jet printer and ink priming method therefor Atsushi Nishioka, Satoshi Yoda 2002-04-02
6281911 Ink cartridge having waste ink absorbing function Chiyoshige Nakazawa, Manabu Yamada, Atsushi Nishioka, Katsuko Aoki 2001-08-28
6264314 Ink cartridge for ink jet recording apparatus Seiji Mochizuki, Kazuhisa Kawakami, Masahiro Isono, Atsushi Nishioka 2001-07-24
6257783 Printer and control method for the same Takeshi Endo 2001-07-10
6193362 Connection unit for an inkjet head, and an inkjet cartridge and inkjet printer using the same Toshio Nakata, Atsushi Nishioka, Kazuhiko Sato, Tsutomu Yamazaki 2001-02-27
6074036 Ink jet head connection unit, an ink jet cartridge, and an assembly method thereof Atsushi Nishioka, Kazuhiko Sato, Tsutomu Yamazaki 2000-06-13
5997125 Ink jet head connection unit, an ink jet cartridge, and an assembly method thereof Atsushi Nishioka, Kazuhiko Sato, Tsutomu Yamazaki 1999-12-07
5963239 Ink jet recording apparatus and ink supply member therefor Atsushi Nishioka, Kazuhiko Sato, Tsutomu Yamazaki 1999-10-05
5874971 Ink jet head connection unit, an ink jet cartridge, and an assembly method thereof Atsushi Nishioka, Kazuhiko Sato, Tsutomu Yamazaki 1999-02-23
5631683 Ink jet cartridge and printer using it Atushi Nishioka, Shigeo Sugimura, Tsutomu Yamazaki, Kazuhiko Sato 1997-05-20
5260724 Capping device for ink jet printer Tsuyoshi Tomii, Seiji Mochizuki, Toshio Kumagai, Hitoshi Hayakawa 1993-11-09
5255019 Ink near-end detecting device Seiji Mochizuki, Takahiro Naka, Kazuhiko Hara, Akira Takagi 1993-10-19
5104248 Print wheel shift mechanism for use with a miniature printer Chikao Tezuka, Hiroyuki Nakayama 1992-04-14
5070346 Ink near-end detecting device Seiji Mochizuki, Takahiro Naka, Kazuhiko Hara, Akira Takagi 1991-12-03