KT

Kohta Takenaka

Ricoh Company: 30 patents #620 of 9,818Top 7%
Overall (All Time): #124,207 of 4,157,543Top 3%
30
Patents All Time

Issued Patents All Time

Showing 1–25 of 30 patents

Patent #TitleCo-InventorsDate
11495203 Sound absorber, electronic device with sound absorbing device, and image forming apparatus with sound absorber Masahiro Ishida, Naoki Matsuda, Hiroshi Ishii, Keisuke Shimizu, Shogo Sakamoto +1 more 2022-11-08
11169482 Housing, electronic device with housing, and image forming apparatus with electronic device Masahiro Ishida, Naoki Matsuda, Keisuke Shimizu 2021-11-09
10540953 Sound absorber, electronic device with sound absorbing device, and image forming apparatus with sound absorber Masahiro Ishida, Naoki Matsuda, Hiroshi Ishii, Keisuke Shimizu, Shogo Sakamoto +1 more 2020-01-21
10444695 Housing, electronic device with housing, and image forming apparatus with electronic device Masahiro Ishida, Naoki Matsuda, Keisuke Shimizu 2019-10-15
10078301 Image forming apparatus, foreign object detecting system, and method for producing foreign object detecting system Ruki Midorikawa, Shogo Terakawa, Tetsuji Nishikawa, Hiroshi Ishii, Hiroaki Murakami +2 more 2018-09-18
9955595 Mount board tray and electronic device with mount board tray Shogo Terakawa, Tetsuji Nishikawa, Hiroshi Ishii, Kouta Hirakawa, Hidehiko Maeda +1 more 2018-04-24
9547274 Image forming apparatus having a sound absorber Hiroki Ishimitsu, Masahiro Ishida, Naoki Matsuda, Toshihiro Shimada, Wataru Hojo 2017-01-17
9533846 Drawer unit, and image forming apparatus using the drawer unit Hiroshi Ishii, Kouta Hirakawa, Hidehiko Maeda, Gaku Hosono 2017-01-03
9527692 Image forming apparatus Keiichi Shimizu 2016-12-27
9353553 Image forming apparatus with locking drawer unit Yusuke Funayama, Joh Ebara, Hiroshi Ishii, Junichi Kawase, Tetsuji Nishikawa +4 more 2016-05-31
9316990 Motherboard mounting structure, image forming apparatus and method for performing the same Kazuhiro Takabayashi 2016-04-19
9298155 Image forming apparatus Hiroki Ishimitsu, Masahiro Ishida, Naoki Matsuda, Toshihiro Shimada, Wataru Hojo 2016-03-29
9188946 Image forming apparatus including drawer with variable length cable holder Tetsuji Nishikawa, Yusuke Funayama, Hidehiko Maeda, Junichi Kawase, Hiroshi Ishii +6 more 2015-11-17
9176462 Image forming apparatus having a drawer unit with a paper-feeding conveying path therein Yoshihide Ohta, Joh Ebara, Hiroshi Ishii, Junichi Kawase, Tetsuji Nishikawa +6 more 2015-11-03
9163429 Image forming apparatus having drawer unit Joh Ebara, Hiroshi Ishii, Junichi Kawase, Tetsuji Nishikawa, Yoshihide Ohta +4 more 2015-10-20
8929752 Fixing device and image forming apparatus using same Yoshihide Ohta, Kazunori Bannai, Hidehiko Fujiwara 2015-01-06
8428480 Fixing device, image forming apparatus incorporating same, and method of dimensioning fixing device Kazunori Bannai, Yu Wakabayashi, Toshihiro Shimada, Hidehiko Fujiwara 2013-04-23
8346106 Fixing device and image forming apparatus using same having a second heater outside the recording medium passing area Kazunori Bannai, Hidehiko Fujiwara 2013-01-01
8334469 Interlock switch and image forming apparatus using the same 2012-12-18
8195058 Toner fixing device with light control mirrors and image forming apparatus incorporating same Kazunori Bannai, Hidehiko Fujiwara, Toshihiro Shimada 2012-06-05
7907869 Charging brush unit, charging device, and image forming apparatus Kazunori Bannai, Hidehiko Fujiwara, Yu Wakabayashi 2011-03-15
7454157 Image forming device and unit position adjustment method Masahiko Yamada, Takayuki Andoh, Takamasa Shiraki, Kazushige Kawamura, Hiroshi Ishii +1 more 2008-11-18
7436425 Optical writing apparatus and image forming apparatus Kozo Yamazaki, Noboru Kusunose, Iwao Matsumae, Kazunori Bannai, Yoshinobu Sakaue 2008-10-14
7013108 Fixing device and image forming device Hidehiko Fujiwara, Masahiko Kamijoh 2006-03-14
6907218 Image forming device and communication device Hidehiko Fujiwara, Masahiko Kamijoh 2005-06-14