HT

Hideyuki Takayama

Ricoh Company: 21 patents #1,013 of 9,818Top 15%
SC Sanyo Electric Co.: 1 patents #3,644 of 6,347Top 60%
Overall (All Time): #194,758 of 4,157,543Top 5%
22
Patents All Time

Issued Patents All Time

Showing 1–22 of 22 patents

Patent #TitleCo-InventorsDate
11126127 Sheet conveying device and image forming apparatus incorporating the sheet conveying device 2021-09-21
11066263 Sheet conveying device and image forming apparatus incorporating the sheet conveying device Jun Yamane, Hiromichi Matsuda, Katsuaki Miyawaki, Koichi Kudo, Tetsuo Watanabe +2 more 2021-07-20
10875728 Sheet conveying device, image forming apparatus incorporating the sheet conveying device, and post processing device incorporating the sheet conveying device Jun Yamane, Hiromichi Matsuda, Tetsuo Watanabe, Katsuaki Miyawaki 2020-12-29
10730713 Sheet conveying device and image forming apparatus incorporating the sheet conveying device Hiromichi Matsuda, Katsuaki Miyawaki, Tetsuo Watanabe, Jun Yamane 2020-08-04
10584008 Sheet conveying device and image forming apparatus incorporating the sheet conveying device Hiromichi Matsuda, Katsuaki Miyawaki, Jun Yamane 2020-03-10
10530950 Sheet conveying device, image forming apparatus incorporating the sheet conveying device, and post processing device incorporating the sheet conveying device Takeshi Watanabe, Tetsuo Watanabe, Katsuaki Miyawaki, Jun Yamane, Hiromichi Matsuda +1 more 2020-01-07
10392213 Sheet conveying device and image forming apparatus incorporating the sheet conveying device Hiromichi Matsuda, Katsuaki Miyawaki, Tetsuo Watanabe, Jun Yamane 2019-08-27
10358309 Sheet conveying device, image forming apparatus incorporating the sheet conveying device, and post processing device incorporating the sheet conveying device Jun Yamane, Hiromichi Matsuda, Tetsuo Watanabe, Katsuaki Miyawaki 2019-07-23
10358311 Sheet conveying device and image forming apparatus incorporating the sheet conveying device Jun Yamane, Hiromichi Matsuda, Katsuaki Miyawaki, Koichi Kudo, Tetsuo Watanabe +2 more 2019-07-23
10104252 Image reading device, image forming apparatus and method using the image reading device employing movable guide plate holding the medium and shading correction plate Tetsuo Watanabe, Katsuaki Miyawaki, Hiromichi Matsuda, Atsuyuki Oyamada, Jun Yamane +1 more 2018-10-16
9776819 Sheet conveying device and image forming apparatus incorporating the sheet conveying device Jun Yamane, Hiromichi Matsuda, Katsuaki Miyawaki, Koichi Kudo, Tetsuo Watanabe +2 more 2017-10-03
9335700 Belt transport apparatus, image forming apparatus, and image forming system Yusuke Ishizaki 2016-05-10
8660473 Intermediate transfer device, image forming apparatus and secondary transfer method Masahiro Ashikawa, Takahisa Koike, Yoshihiro Asano, Minoru Takahashi 2014-02-25
8639174 To-be-transferred object length measurement device and image forming apparatus and computer-readable storage medium Masahiro Ashikawa, Tatsuya Watahiki, Minoru Takahashi, Takahisa Koike, Masaru Yamagishi +6 more 2014-01-28
8364064 Intermediate transfer device, image forming apparatus and secondary transfer method Masahiro Ashikawa, Takahisa Koike, Yoshihiro Asano, Minoru Takahashi 2013-01-29
8027516 Image forming apparatus including position detector Koichi Kudo 2011-09-27
7840163 Position detecting device and image forming apparatus Koichi Kudo, Takuro Kamiya 2010-11-23
7659996 Relative position detection device and detector for rotary body and image forming apparatus including the relative position detection device Koichi Kudo 2010-02-09
7526230 Mark sensing device, turnable body driving device and image forming apparatus Koichi Kudo 2009-04-28
7435946 Mark detector using multiple light beams for use in a displacement detector and an image forming apparatus Koichi Kudo 2008-10-14
7174237 Endless-moving-member driving unit, image forming apparatus, photosensitive-element driving unit, and method of degradation process for endless moving-member Koichi Kudo 2007-02-06
5775119 Air conditioner outdoor unit housing Wazo Yamada, Hideo Maeda, Yoshinori Yoshida, Yoshimi Okamoto, Koichiro Seki +2 more 1998-07-07