KH

Koji Hatayama

Ricoh Company: 14 patents #1,578 of 9,818Top 20%
Overall (All Time): #348,920 of 4,157,543Top 9%
14
Patents All Time

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDate
10507995 Sheet conveying device, image reading device, and image forming apparatus Munekazu HIRATA, Satoshi Narai, Yasunobu Youda, Tatsuaki Nagano, Takayuki Andoh +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, Tatsuaki Nagano, Daisuke Imaki, Satoshi Narai +5 more 2019-11-26
10131512 Document feeder and image forming apparatus incorporating the document feeder Kaoru Tada, Takayuki Andoh, Yohei Osanai, Tatsuaki Nagano, Munekazu HIRATA +1 more 2018-11-20
10118781 Sheet conveying device, image reading device, and image forming apparatus Takayuki Andoh, Munekazu HIRATA, Naoto Kitamura, Kaoru Tada, Yasunobu Youda 2018-11-06
10070010 Shade correcting image reading by biasing force of a color reference body in the document width direction Tatsuaki Nagano, Takayuki Andoh, Kaoru Tada, Munekazu HIRATA, Yasunobu Youda 2018-09-04
9988223 Automatic document feeding device Munekazu HIRATA, Takayuki Andoh, Kaoru Tada, Tatsuaki Nagano, Yasunobu Youda +4 more 2018-06-05
9819838 Automatic document feeding device and image forming apparatus incorporating same Takayuki Andoh, Tatsuaki Nagano, Kaoru Tada, Munekazu HIRATA, Kazushige Kawamura +4 more 2017-11-14
9686422 Image scanner having a reader and image forming apparatus incorporating same Satoshi Narai, Yasunobu Youda, Taku Kudoh, Takayuki Andoh, Yohei Osanai 2017-06-20
9609159 Sheet conveyance device Yasunobu Youda, Yohei Osanai, Tatsuaki Nagano, Kazushige Kawamura, Toshiyuki HORIKAWA 2017-03-28
9571690 Image scanner and image forming apparatus incorporating the image scanner Yohei Osanai, Yasunobu Youda, Tatsuaki Nagano, Takayuki Andoh, Kaoru Tada +4 more 2017-02-14
9113003 Sheet loading device, image reading device, and image forming apparatus Shohei Shinkawa, Yasunobu Youda 2015-08-18
8994963 Sheet conveyance unit, image reading device, and image forming apparatus Yohei Osanai, Yasunobu Youda, Taku Kudoh, Takayuki Andoh 2015-03-31
8861048 Image scanner and image forming apparatus incorporating same Satoshi Narai, Yasunobu Youda, Taku Kudoh, Takayuki Andoh, Yohei Osanai 2014-10-14
8800990 Automatic document feeder and image forming apparatus including the same Yasunobu Youda, Taku Kudoh, Takayuki Andoh, Yohei Osanai, Satoshi Narai +1 more 2014-08-12