TH

Toshiyuki HORIKAWA

Ricoh Company: 15 patents #1,477 of 9,818Top 20%
Tdk: 1 patents #2,493 of 3,796Top 70%
Overall (All Time): #289,045 of 4,157,543Top 7%
16
Patents All Time

Issued Patents All Time

Showing 1–16 of 16 patents

Patent #TitleCo-InventorsDate
12002616 Coil device Masaaki Iwakura, Masaru Kumagai, Shoichi Sasaki 2024-06-04
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
10412246 Image reading unit Takuji Kawai, Yasunobu Youda, Yohei Osanai, Tatsuaki Nagano, Satoshi Narai +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, Yasunobu Youda, Yohei Osanai, Tatsuaki Nagano, Satoshi Narai +9 more 2019-02-05
10131512 Document feeder and image forming apparatus incorporating the document feeder Kaoru Tada, Takayuki Andoh, Yohei Osanai, Tatsuaki Nagano, Koji Hatayama +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 Tatsuaki Nagano, Yasunobu Youda, Satoshi Narai, Yohei Osanai, Masatoshi Ishida +1 more 2018-10-23
10044898 Image reading device and image forming apparatus incorporating the image reading device Yohei Osanai, Yasunobu Youda, Masatoshi Ishida, Tatsuaki Nagano, Daisuke Imaki +2 more 2018-08-07
10027831 Image reading unit Takuji Kawai, Yasunobu Youda, Yohei Osanai, Tatsuaki Nagano, Satoshi Narai +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 Yasunobu Youda, Yohei Osanai, Tatsuaki Nagano, Satoshi Narai, Takuji Kawai +10 more 2017-10-24
9609159 Sheet conveyance device Koji Hatayama, Yasunobu Youda, Yohei Osanai, Tatsuaki Nagano, Kazushige Kawamura 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
8947751 Image reading device and image forming apparatus Hiroshi Kusumoto, Tatsuaki Nagano, Yohei Osanai, Satoshi Narai, Masafumi Kishi 2015-02-03