YU

Yasuhiro Unosawa

Canon: 21 patents #3,043 of 19,416Top 20%
Overall (All Time): #211,144 of 4,157,543Top 6%
21
Patents All Time

Issued Patents All Time

Showing 1–21 of 21 patents

Patent #TitleCo-InventorsDate
7815278 Droplet discharge-condition detecting unit, droplet-discharging device, and inkjet recording device Tadashi Yamamoto, Takuya Tsujimoto, Yasutaka Mitani 2010-10-19
7621616 Ink jet recording apparatus and method and program for checking nozzles thereof Yasutaka Mitani, Tadashi Yamamoto, Takuya Tsujimoto 2009-11-24
7052109 Ink jet recording apparatus 2006-05-30
6902270 Printer 2005-06-07
6739692 Ink jet recording apparatus 2004-05-25
6249295 Recording apparatus with self-standing recording unit and sheet supplying apparatus Takehiko Kiyohara, Atsushi Noda, Yoji Ara, Makoto Kashimura, Hiroyuki Hagiwara +1 more 2001-06-19
6076923 Recording apparatus Makoto Kashimura, Shinji Kanemitsu, Makoto Takemura, Toshiyuki Ohnishi, Tetsuhiro Nitta +2 more 2000-06-20
6027211 Sheet feeding apparatus and recording apparatus Hiroyuki Saito, Koichi Tanno, Haruyuki Yanagi, Makoto Kawarama, Hiroyuki Kinoshita +2 more 2000-02-22
6010204 Recording apparatus with structure for locking and supporting recording head carriage at home position Hisashi Morioka, Shinji Kanemitsu, Makoto Kashimura, Makoto Takemura, Shinya Matsui +4 more 2000-01-04
5992970 Recording apparatus with enhanced positional accuracy of recording head carriage Makoto Kashimura, Makoto Takemura, Toshiyuki Onishi, Tetsuhiro Nitta, Satoshi Saikawa +1 more 1999-11-30
5988784 Method and apparatus for recording information with corrected drive timing Makoto Takemura, Shinji Kanemitsu, Makoto Kashimura, Shinya Matsui, Toshiyuki Onishi +5 more 1999-11-23
5975665 Ink jet recording apparatus having residual quantity detection unit and residual quantity detection method thereof Makoto Torigoe, Masashi Kamada, Noribumi Koitabashi, Toshiharu Inui, Fumiyuki Mikami +4 more 1999-11-02
5923350 Recording apparatus with improved head installation mechanism Toshiyuki Ohnishi, Shinji Kanemitsu, Makoto Kashimura, Makoto Takemura, Tetsuhiro Nitta +2 more 1999-07-13
5896143 Ink jet recording apparatus Shinya Matsui, Shigeru Yoshimura, Noboru Koumura, Shinji Kanemitsu, Hiroshi Fukui +14 more 1999-04-20
5764246 Method and apparatus for controlling a printing operaton in accordance with a temperature of a print head Masafumi Wataya, Shinji Kanemitsu, Makoto Kashimura, Makoto Takemura, Shinya Matsui +5 more 1998-06-09
5588757 Recording apparatus with detachable magnetic sensor Shinji Kanemitsu, Makoto Kashimura, Makoto Takemura, Shoji Kikuchi, Shinya Matsui +4 more 1996-12-31
5479194 Ink jet recording apparatus having gap adjustment between the recording head and recording medium Hirofumi Hirano 1995-12-26
5434602 Recording apparatus with magnetic linear encoder Yoshiaki Kaburagi, Shigemitsu Tasaki, Shigeo Takenaka, Makoto Kashimura, Nobuaki Iwakami +5 more 1995-07-18
5238235 Sheet feeding apparatus Tetsuhiro Nitta, Takehiko Kiyohara, Shigeru Yoshimura 1993-08-24
5216448 Ink jet recording head carriage and an apparatus with same Tetsuo Kimura, Kou Hasegawa, Masasumi Nagashima, Keiji Nagira, Hiroshi Sugitani +6 more 1993-06-01
5187497 Ink jet recording apparatus having gap adjustment between the recording head and recording medium Hirofumi Hirano 1993-02-16