KM

Kentarou Matsumoto

Ricoh Company: 10 patents #2,244 of 9,818Top 25%
Overall (All Time): #478,005 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
12222663 Developing device including sensor holder including insertion portion, process cartridge, and image forming apparatus 2025-02-11
11726418 Developer container, developing device, process cartridge, and image forming apparatus Naohiro Kawashima, Kei Saito, Kunihiro Ohyama 2023-08-15
11640124 Developing device and image forming apparatus incorporating same Yuki Oshikawa 2023-05-02
11454897 Developing device and image forming apparatus containing regulated bearing Kei Saito, Kunihiro Ohyama, Naohiro Kawashima 2022-09-27
11366410 Developer container, developing device, process cartridge, and image forming apparatus Naohiro Kawashima, Kei Saito, Kunihiro Ohyama 2022-06-21
11131944 Developing device regulates an amount of developer on a developing sleeve Kei Saito, Masaki Takahashi, Takahiro Adachi 2021-09-28
9116450 Toner, printed material, method of preparing printed material and image forming apparatus having varnish application means Masato Iio, Shinya Kobayashi, Akio Tsujita, Katsuhiro Shinohara, Tadashi Kasai +2 more 2015-08-25
8630573 Image forming method, image forming apparatus, varnish applicator, and toner Masato Iio, Tsuyoshi Asami, Shinya Kobayashi, Akio Tsujita, Kathuhiro Shinohara +2 more 2014-01-14
8520261 Controller and halftone dot signal generating method capable of controlling glossiness of image Shinya Kobayashi, Akio Tsujita, Masato Iio, Tadashi Kasai, Katsuhiro Shinohara +2 more 2013-08-27
8494385 Image forming apparatus Masakazu Terao, Shinya Kobayashi, Akio Tsujita, Masato Lio, Katsuhiro Shinohara +1 more 2013-07-23