TN

Tatsuaki Nagano

Ricoh Company: 21 patents #1,013 of 9,818Top 15%
Overall (All Time): #208,324 of 4,157,543Top 6%
21
Patents All Time

Issued Patents All Time

Showing 1–21 of 21 patents

Patent #TitleCo-InventorsDate
10507995 Sheet conveying device, image reading device, and image forming apparatus Munekazu HIRATA, Satoshi Narai, Yasunobu Youda, 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, Yasunobu Youda, Daisuke Imaki, Satoshi Narai, Tomoya FUJII +5 more 2019-11-26
10412246 Image reading unit Takuji Kawai, Yasunobu Youda, Yohei Osanai, 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, Satoshi Narai +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, Yasunobu Youda, Yohei Osanai, Satoshi Narai, Toshiyuki HORIKAWA +9 more 2019-02-05
10131512 Document feeder and image forming apparatus incorporating the document feeder Kaoru Tada, Takayuki Andoh, Yohei Osanai, Koji Hatayama, Munekazu HIRATA +1 more 2018-11-20
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 Yasunobu Youda, 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, Takayuki Andoh, Kaoru Tada, Munekazu HIRATA, Yasunobu Youda 2018-09-04
10044898 Image reading device and image forming apparatus incorporating the image reading device Yohei Osanai, Yasunobu Youda, Masatoshi Ishida, Daisuke Imaki, Satoshi Narai +2 more 2018-08-07
10027831 Image reading unit Takuji Kawai, Yasunobu Youda, Yohei Osanai, Satoshi Narai, Toshiyuki HORIKAWA +9 more 2018-07-17
9988223 Automatic document feeding device Munekazu HIRATA, Takayuki Andoh, Koji Hatayama, Kaoru Tada, Yasunobu Youda +4 more 2018-06-05
9819838 Automatic document feeding device and image forming apparatus incorporating same Koji Hatayama, Takayuki Andoh, Kaoru Tada, Munekazu HIRATA, Kazushige Kawamura +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, Yasunobu Youda, Yohei Osanai, Satoshi Narai, Takuji Kawai +10 more 2017-10-24
9609159 Sheet conveyance device Koji Hatayama, Yasunobu Youda, Yohei Osanai, Kazushige Kawamura, Toshiyuki HORIKAWA 2017-03-28
9571690 Image scanner and image forming apparatus incorporating the image scanner Yohei Osanai, Yasunobu Youda, Takayuki Andoh, Kaoru Tada, Munekazu HIRATA +4 more 2017-02-14
8947751 Image reading device and image forming apparatus Hiroshi Kusumoto, Yohei Osanai, Satoshi Narai, Masafumi Kishi, Toshiyuki HORIKAWA 2015-02-03
8599450 Image read device and copier Hiroshi Kubo, Takashi Fujii, Yasuo Kosuga, Kenichiro Morita, Takeshi Akai 2013-12-03
8570623 Deep focus image reading system and image forming apparatus Takashi Fujii, Hiroshi Kubo, Takeshi Akai, Yasuo Kosuga, Kenichiro Morita 2013-10-29
7953341 Automatic document feeder, image reading system including same, and image forming apparatus including same Hideki Tobinaga, Yasuo Kosuga, Norio Kimura, Takeshi Akai 2011-05-31
7869755 Automatic document feeder, image reading device including the same, and image forming apparatus including the same Motoya Sano, Hideki Tobinaga, Takashi Fujii, Yasuo Kosuga, Shinya Kitaoka +1 more 2011-01-11
7715062 Image reading apparatus and recording apparatus including image reading apparatus Masashi Kohchi, Hiroshi Kusumoto, Hiroshi Kubo, Akira Hirose, Masahiro Taniuchi +1 more 2010-05-11