YS

Yoshinobu Sakaue

Ricoh Company: 27 patents #743 of 9,818Top 8%
Overall (All Time): #144,171 of 4,157,543Top 4%
27
Patents All Time

Issued Patents All Time

Showing 1–25 of 27 patents

Patent #TitleCo-InventorsDate
12088765 Casing structure, optical scanner, and image forming apparatus Takeshi Yamakawa, Susumu Narita, Ryo Sato, Makoto Noda 2024-09-10
11800027 Housing, optical scanner, and image forming apparatus Susumu Narita, Takeshi Yamakawa, Ryo Sato, Makoto Noda 2023-10-24
11747610 Optical scanning device and image forming apparatus Takeshi Yamakawa, Susumu Narita, Ryo Sato 2023-09-05
10520850 Image forming apparatus and image forming method Hiroaki Nishina, Koichi Murota, Masashi Suzuki, Susumu Narita, Takuma Nishio +1 more 2019-12-31
10514646 Image forming apparatus and image forming method Susumu Narita, Ryo Sato, Koichi Murota, Masashi Suzuki, Takuma Nishio +1 more 2019-12-24
10437188 Image forming apparatus Takuma Nishio, Susumu Narita, Ryo Sato, Koichi Murota, Masashi Suzuki +1 more 2019-10-08
10409192 Optical scanner and image forming device incorporating same Tomoya FUJII, Tadashi Nakamura, Nobuyuki Arai, Noboru Kusunose, Daisuke Imaki 2019-09-10
10082761 Image forming apparatus including a rotatable exposure device Susumu Narita, Takeshi Yamakawa, Kazunori Watanabe, Tomoya FUJII, Ryo Sato 2018-09-25
9864296 Optical scanner and image forming device incorporating same Tomoya FUJII, Tadashi Nakamura, Nobuyuki Arai, Noboru Kusunose, Daisuke Imaki 2018-01-09
9494793 Light beam scanning device and image forming apparatus Nobuyuki Arai, Makoto Hirakawa, Noboru Kusunose, Tomoya FUJII 2016-11-15
9471028 Optical scanning device and image forming apparatus Kazunori Watanabe, Susumu Narita, Hiroshi Johno 2016-10-18
9360790 Optical scanning device and image forming apparatus Hiroshi Johno, Kazunori Watanabe, Susumu Narita 2016-06-07
9298121 Optical scanning device and image forming apparatus Kazunori Watanabe, Susumu Narita, Hiroshi Johno 2016-03-29
9207629 Image forming apparatus having a biasing member having a release state and a locked state in which a detachable attachable unit is secured to an apparatus body Hiroshi Johno 2015-12-08
8823764 Optical writer and image forming apparatus including same Tomoya FUJII, Noboru Kusunose 2014-09-02
8754919 Optical writing unit and image forming apparatus including same Noboru Kusunose, Tomoya FUJII 2014-06-17
8520046 Image forming apparatus having plural optical scanning devices Noboru Kusunose 2013-08-27
7986334 Image forming apparatus, optical writing device, and optical writing method Kazunori Bannai, Hideto Higaki, Daisuke Imaki, Noboru Kusunose 2011-07-26
7916161 Image forming apparatus Noboru Kusunose, Kazunori Bannai, Iwao Matsumae 2011-03-29
7746371 Optical writing device and image forming apparatus Noboru Kusunose, Hideto Higaki 2010-06-29
7705872 Optical writing device and image forming apparatus Hideto Higaki, Kazunori Bannai, Noboru Kusunose 2010-04-27
7697184 Optical scanning device and image forming apparatus Kazunori Bannai, Iwao Matsumae, Noboru Kusunose 2010-04-13
7619643 Method and apparatus for image forming capable of effectively avoiding an adverse temperature effect to an optical scanning system Kazunori Bannai, Kozo Yamazaki 2009-11-17
7589756 Optical scanning device, image forming apparatus, optical scanning correcting method, and image forming method Iwao Matsumae, Kazunori Bannai 2009-09-15
7450146 Optical scanning device including plural light shielding units provided at different heights and image forming apparatus Kazunori Bannai 2008-11-11