SN

Shigeo Nanno

Ricoh Company: 47 patents #255 of 9,818Top 3%
MK Murata Kikai: 3 patents #126 of 454Top 30%
Overall (All Time): #53,884 of 4,157,543Top 2%
50
Patents All Time

Issued Patents All Time

Showing 1–25 of 50 patents

Patent #TitleCo-InventorsDate
12372903 Fixing device and image forming apparatus Yutaka Ikebuchi, Hitoshi Fujiwara, Yuusuke Furuichi 2025-07-29
12353159 Fixing device and image forming apparatus Jun Okamoto, Yuusuke Furuichi, Seiji Saitoh, Tamotsu Ikeda 2025-07-08
12339604 Fixing device and image forming apparatus including a pivot restrictor to restrict pivoting of a conductive member Hiromasa Takagi, Hitoshi Fujiwara, Yutaka Ikebuchi, Yuusuke Furuichi 2025-06-24
12147180 Heating device, fixing device, and image forming apparatus including conductor support Yuusuke Furuichi, Yukimichi Someya 2024-11-19
12117749 Fixing device and image forming apparatus incorporating same 2024-10-15
11982960 Heating device, fixing device, and image forming apparatus 2024-05-14
11971674 Heating device, fixing device, and image forming apparatus Yasunori Ishigaya, Takahiro Imada, Takumi Waida, Daisuke Hirano 2024-04-30
11921448 Fixing device and image forming apparatus incorporating same 2024-03-05
11687020 Heating device, fixing device, and image forming apparatus Takahiro Imada, Yasunori Ishigaya, Takumi Waida, Daisuke Hirano 2023-06-27
11435683 Heating device, fixing device, and image forming apparatus 2022-09-06
11204570 Contact-separation mechanism, fixing device, and image forming apparatus Kimihiro Tanaka, Tamotsu Ikeda, Kenji Tomita, Osamu Saito 2021-12-21
10078300 Fixing device and image forming apparatus Masahiro Samei, Toshio Ogiso, Tamotsu Ikeda 2018-09-18
10036987 Removable fixing device having a convex guide and image forming apparatus Toshio Ogiso, Masahiro Samei, Tamotsu Ikeda 2018-07-31
9429891 Fixing device and image forming apparatus Yutaka Naitoh, Minoru Toyoda, Tomohiko Fujii, Hitoshi Fujiwara 2016-08-30
9207573 Image forming apparatus and method 2015-12-08
9182709 Fixing device, image forming apparatus with same, and method of assembling fixing device Yutaka Naitoh, Tomohiko Fujii, Minoru Toyoda, Hitoshi Fujiwara, Tomoya Adachi +2 more 2015-11-10
9158270 Fixing device, image forming apparatus with same, and method of smoothly detaching and attaching fixing device from and to image forming apparatus 2015-10-13
9063486 Fixing device and image forming apparatus Yutaka Naitoh, Minoru Toyoda, Tomohiko Fujii, Hitoshi Fujiwara 2015-06-23
9052652 Fixing device including a friction reducer and an image forming apparatus including the fixing device Tomohiko Fujii, Minoru Toyoda, Hitoshi Fujiwara, Tomoya Adachi, Yasuharu Kawarasaki 2015-06-09
9046843 Fixing device and image forming apparatus Tomohiko Fujii, Yutaka Naitoh, Minoru Toyoda, Hitoshi Fujiwara, Tomoya Adachi +1 more 2015-06-02
9008559 Fixing device with mechanism capable of heating belt effectively and image forming apparatus incorporating same Tomoya Adachi, Tomohiko Fujii, Yutaka Naitoh, Minoru Toyoda, Hitoshi Fujiwara 2015-04-14
8938192 Fixing device having pipe heater and image forming apparatus with fixing device Yutaka Naitoh, Tomohiko Fujii, Minoru Toyoda 2015-01-20
8693936 Fixing device and image forming apparatus incorporating same Tomohiko Fujii, Yutaka Naitoh, Tomoya Adachi, Minoru Toyoda 2014-04-08
8678371 Manual sheet-feeding device and image forming apparatus Yasuhide Ohkubo, Ippei Kimura, Yoshihide Ohta, Tomoyoshi Yamazaki, Haruyuki Honda 2014-03-25
8509653 Fixing device and image forming apparatus 2013-08-13