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Yasunobu Youda

Ricoh Company: 36 patents #442 of 9,818Top 5%
Overall (All Time): #92,892 of 4,157,543Top 3%
36
Patents All Time

Issued Patents All Time

Showing 1–25 of 36 patents

Patent #TitleCo-InventorsDate
11889039 Image reading apparatus and image forming apparatus including a being-conveyed document reading mode and a placed-document reading mode Kota KAWAMOTO 2024-01-30
10507995 Sheet conveying device, image reading device, and image forming apparatus Munekazu HIRATA, Satoshi Narai, Tatsuaki Nagano, Takayuki Andoh, Daisuke Imaki +5 more 2019-12-17
10491768 Image reading device configured to selectively stop a sheet based on image reading readiness and image forming apparatus incorporating same Takayuki Andoh, Tatsuaki Nagano, Daisuke Imaki, Satoshi Narai, Tomoya FUJII +5 more 2019-11-26
10412246 Image reading unit Takuji Kawai, Yohei Osanai, Tatsuaki Nagano, Satoshi Narai, Toshiyuki HORIKAWA +9 more 2019-09-10
10341516 Rotation drive device, image reading device, and image forming apparatus Daisuke Imaki, Yohei Osanai, Genta Hagiwara, Masatoshi Ishida, Tatsuaki Nagano +4 more 2019-07-02
10200564 Image reading device, method and non-transitory computer-readable medium for detecting moving image reader positions to correct skew Yuki FUJII, Yohei Osanai, Tatsuaki Nagano, Satoshi Narai, Toshiyuki HORIKAWA +9 more 2019-02-05
10118781 Sheet conveying device, image reading device, and image forming apparatus Takayuki Andoh, Munekazu HIRATA, Naoto Kitamura, Koji Hatayama, Kaoru Tada 2018-11-06
10108128 Automatic document feeder, image reading device incorporating the automatic document feeder, and image forming apparatus incorporating the image reading device with the automatic document feeder Tatsuaki Nagano, Satoshi Narai, Yohei Osanai, Toshiyuki HORIKAWA, Masatoshi Ishida +1 more 2018-10-23
10070010 Shade correcting image reading by biasing force of a color reference body in the document width direction Koji Hatayama, Tatsuaki Nagano, Takayuki Andoh, Kaoru Tada, Munekazu HIRATA 2018-09-04
10044898 Image reading device and image forming apparatus incorporating the image reading device Yohei Osanai, Masatoshi Ishida, Tatsuaki Nagano, Daisuke Imaki, Satoshi Narai +2 more 2018-08-07
10027831 Image reading unit Takuji Kawai, Yohei Osanai, Tatsuaki Nagano, Satoshi Narai, Toshiyuki HORIKAWA +9 more 2018-07-17
9988223 Automatic document feeding device Munekazu HIRATA, Takayuki Andoh, Koji Hatayama, Kaoru Tada, Tatsuaki Nagano +4 more 2018-06-05
9819838 Automatic document feeding device and image forming apparatus incorporating same Koji Hatayama, Takayuki Andoh, Tatsuaki Nagano, Kaoru Tada, Munekazu HIRATA +4 more 2017-11-14
9800748 Automatic document feeder, image reading device incorporating the automatic document feeder, and image forming apparatus incorporating the image reading device Toshiyuki HORIKAWA, Yohei Osanai, Tatsuaki Nagano, Satoshi Narai, Takuji Kawai +10 more 2017-10-24
9686422 Image scanner having a reader and image forming apparatus incorporating same Satoshi Narai, Taku Kudoh, Takayuki Andoh, Koji Hatayama, Yohei Osanai 2017-06-20
9609159 Sheet conveyance device Koji Hatayama, Yohei Osanai, Tatsuaki Nagano, Kazushige Kawamura, Toshiyuki HORIKAWA 2017-03-28
9571690 Image scanner and image forming apparatus incorporating the image scanner Yohei Osanai, Tatsuaki Nagano, Takayuki Andoh, Kaoru Tada, Munekazu HIRATA +4 more 2017-02-14
9113003 Sheet loading device, image reading device, and image forming apparatus Koji Hatayama, Shohei Shinkawa 2015-08-18
8994963 Sheet conveyance unit, image reading device, and image forming apparatus Yohei Osanai, Taku Kudoh, Takayuki Andoh, Koji Hatayama 2015-03-31
8861048 Image scanner and image forming apparatus incorporating same Satoshi Narai, Taku Kudoh, Takayuki Andoh, Koji Hatayama, Yohei Osanai 2014-10-14
8800990 Automatic document feeder and image forming apparatus including the same Koji Hatayama, Taku Kudoh, Takayuki Andoh, Yohei Osanai, Satoshi Narai +1 more 2014-08-12
8610968 Document illuminating system and image reader including the same Atsushi Takaura, Nobuaki Ono, Yasuo Sakurai, Kazuya Miyagaki, Masahiro Itoh 2013-12-17
8600288 Image forming apparatus Takamasa Shiraki, Kazushige Kawamura, Yoshihide Ohta, Takayuki Andoh, Masato Ogawa +3 more 2013-12-03
8416471 Document illuminating system and image reader including the same Atsushi Takaura, Nobuaki Ono, Yasuo Sakurai, Kazuya Miyagaki, Masahiro Itoh 2013-04-09
8339682 Lighting device for use in an optical scanning unit, of an image reader Kazushige Kawamura, Tetsuya Fujioka, Yasuo Sakurai 2012-12-25