MY

Masahide Yamashita

Ricoh Company: 68 patents #95 of 9,818Top 1%
NT NTT: 1 patents #2,911 of 4,871Top 60%
Overall (All Time): #29,455 of 4,157,543Top 1%
70
Patents All Time

Issued Patents All Time

Showing 1–25 of 70 patents

Patent #TitleCo-InventorsDate
10599064 Powder-amount detection device and image forming apparatus incorporating same Taku Kumiya, Yohei Kushida, Takuya Murata, Keita Maejima 2020-03-24
10429770 Powder-amount detection device and image forming apparatus incorporating same Taku Kumiya, Yohei Kushida, Takuya Murata, Keita Maejima 2019-10-01
9201334 Residual voltage reducing processing cartridge, image forming apparatus with same, and image forming method Mayumi Yoshihara 2015-12-01
8768186 Apparatus, system, and method of predicting failure of image forming apparatus Mikiko Imazeki, Yasushi Nakazato, Osamu Satoh, Jun Yamane, Kohji Ue 2014-07-01
8531696 Management apparatus, management system, and management method Masaichi Sawada, Yasushi Nakazato, Kohji Ue, Mikiko Imazeki, Osamu Satoh +1 more 2013-09-10
8478561 Rotation measuring mechanism, sheet conveyance apparatus, original reading apparatus, and image forming apparatus Osamu Satoh, Yasushi Nakazato, Kohji Ue, Mikiko Imazeki, Jun Yamane 2013-07-02
8472818 Image carrier deterioration degree evaluating device, image carrier failure predicting device, and image forming apparatus Jun Yamane, Yasushi Nakazato, Kohji Ue, Mikiko Imazeki, Yasuo Suzuki +5 more 2013-06-25
8385756 Failure diagnosis device, failure diagnosis method, image forming device, and recording medium Ryota Yamashina, Yasushi Nakazato, Osamu Satoh, Kohji Ue, Mikiko Imazeki +1 more 2013-02-26
8358941 Management device of an image forming apparatus Yasushi Nakazato, Kohji Ue, Jun Yamane, Osamu Satoh 2013-01-22
8339637 Management apparatus, management system, operation status determination method, and image forming apparatus Yasushi Nakazato, Takenori Oku, Jun Yamane, Osamu Satoh, Kohji Ue 2012-12-25
8294918 Apparatus and method for generating a simulated image including an identified image abnormality Osamu Satoh, Yasushi Nakazato, Kohji Ue, Jun Yamane, Masaichi Sawada +2 more 2012-10-23
8285188 Protective agent for image bearing member, protective layer setting unit, and process cartridge Shinya Tanaka, Hiroshi Nakai, Masato Iio, Kunio Hasegawa, Naoyuki Ozaki 2012-10-09
8208835 Protective layer forming device, image forming apparatus, and process cartridge Toshiyuki Kabata 2012-06-26
8200101 Condition determining system, method of detecting abnormality of condition determining system, and image forming apparatus Kohji Ue, Yasushi Nakazato, Osamu Satoh, Jun Yamane 2012-06-12
8190037 Fault prediction method, fault prediction system, and image forming apparatus Yasushi Nakazato, Osamu Satoh, Kohji Ue, Jun Yamane 2012-05-29
8185017 Image forming apparatus and process cartridge Mie Yoshino 2012-05-22
8180271 Protective layer setting unit, process cartridge, and image forming apparatus, and method of evaluating protective layer setting unit Kumiko Hatakeyama, Toshiyuki Kabata, Tsutomu Hayashi 2012-05-15
8175470 Image forming apparatus having a function of predicting device deterioration based on a plurality of types of operation control information Yasushi Nakazato, Kohji Ue, Osamu Satoh, Jun Yamane, Hitoshi Shimizu +2 more 2012-05-08
8175849 Predictive failure reporting system, predictive failure reporting method, and method for maintaining image forming apparatus Yasushi Nakazato, Osamu Satoh, Kohji Ue, Jun Yamane 2012-05-08
8150278 Image forming apparatus including a sound sensor to determine cleaning failure Osamu Satoh, Yasushi Nakazato, Kohji Ue, Jun Yamane, Shokichiro Hino 2012-04-03
8107872 Image forming apparatus and process cartridge Naoyuki Ozaki, Hiroshi Nakai, Masato Iio, Shinya Tanaka, Kunio Hasegawa 2012-01-31
8094016 Status determination method and image forming apparatus Yasushi Nakazato, Kohji Ue, Osamu Satoh, Jun Yamane, Masaichi Sawada 2012-01-10
8080096 Protecting agent for image bearing member and production method therefor, protection layer forming apparatus, image forming method, image forming apparatus, and process cartridge Hiroshi Nakai, Jun Yura, Masato Iio, Shinya Tanaka 2011-12-20
8081916 Protective agent for image bearing member, protective layer setting unit, and process cartridge Shinya Tanaka, Hiroshi Nakai, Masato Iio, Kunio Hasegawa, Naoyuki Ozaki 2011-12-20
8081917 Image-bearing member protecting agent, protective layer forming device, process cartridge and image forming apparatus Hiroshi Nakai, Masato Iio, Kunio Hasegawa, Shinya Tanaka 2011-12-20