MN

Masamoto Nakazawa

Ricoh Company: 74 patents #76 of 9,818Top 1%
Overall (All Time): #26,320 of 4,157,543Top 1%
74
Patents All Time

Issued Patents All Time

Showing 1–25 of 74 patents

Patent #TitleCo-InventorsDate
12081714 Photoelectric conversion element, reading device, and image processing apparatus 2024-09-03
11973904 Signal processing device, imaging device, reading device, image forming device, and signal processing method Shinji Sakaguchi, Tohru Kanno 2024-04-30
11936829 Illuminating device, image reading device, and image forming apparatus with multiple light sources Atsushi Sugai, Masahiro Itoh 2024-03-19
11792539 Solid-state imaging element, reading device, image processing apparatus, and control method Shinji Sakaguchi 2023-10-17
11770487 Reading device, image forming apparatus, and state detection method to detect a multi-feed state of an object using reflected light in a visible wavelength and an invisible wavelength and comparing reading value results to references associated with the invisible and visible wavelength reference values Kazuki ISHIKURA 2023-09-26
11722622 Photoelectric conversion element, reading device, and image processing apparatus 2023-08-08
11695892 Reading device and method of detecting feature amount from visible or invisible image Shogo Nakamura, Ayumu HASHIMOTO, Tadaaki OYAMA 2023-07-04
11694455 Fraud confirmation assisting apparatus and fraud confirmation method including a light source irradiating an object in the invisible wavelength range and read by a reading sensor to output a plurality of pieces of fraud confirmation information Tadaaki OYAMA 2023-07-04
11553108 Reading device, image forming apparatus, and method Kohsuke Nambara, Tadaaki OYAMA, Ayumu HASHIMOTO 2023-01-10
11546535 Abnormal-pixel detecting device, image forming apparatus, and method of detecting abnormal pixel Yutaka OHMIYA, Hideki Hashimoto 2023-01-03
11477342 Reading device, image forming apparatus, and method detecting and correcting reading-depth change based by reading image in first and second wavelength range Hideki Hashimoto, Daisuke Nikaku, Yutaka OHMIYA 2022-10-18
11457121 Reading device, image forming apparatus, and color mixture prevention method Takuhei Yokoyama, Tadaaki OYAMA, Ayumu HASHIMOTO 2022-09-27
11457116 Image processing apparatus and image reading method Tadaaki OYAMA, Yuichiro Shukuya 2022-09-27
11360422 Position detector, image forming apparatus, position detecting method, and non-transitory recording medium storing position detecting program code Daisuke Nikaku, Ryohma Ikemoto, Osamu Inage, Tatsuya Ishii, Satoshi Iwanami +4 more 2022-06-14
11317000 Image processing apparatus having invisible component remover, image processing method, and recording medium Ayumu HASHIMOTO 2022-04-26
11190666 Image processing device, image forming apparatus, image processing method, and non-transitory computer-readable storage medium Yutaka OHMIYA, Tadaaki OYAMA 2021-11-30
11170243 Image processing device, image forming apparatus, and image processing method Tadaaki OYAMA, Yutaka OHMIYA 2021-11-09
11095788 Document size detection device, image reading device, image forming apparatus, document size detecting method, and recording medium Tadaaki OYAMA, Hiroki Shirado, Tomohiro Sasa, Tatsuya Ozaki, Kohsuke Nambara 2021-08-17
11089177 Reading device, image forming apparatus, and image reading method Tatsuya Ozaki, Tadaaki OYAMA, Tomohiro Sasa, Hiroki Shirado, Kohsuke Nambara 2021-08-10
11019293 Photoelectric conversion element, image reading device, image forming apparatus, and signal control method Naoki Asaba 2021-05-25
11012585 Image processing apparatus, image processing system, image processing method, and non-transitory computer-readable storage medium Ayumu HASHIMOTO, Masashi Watanabe, Masahiro Itoh 2021-05-18
10931845 Reading device, image forming apparatus, correction value calculating method, and storage medium storing program code Tatsuya Ishii, Satoshi Iwanami, Daisuke Nikaku, Osamu Inage, Shinichiroh Wada +1 more 2021-02-23
10924621 Reading device to read and output an invisible image included in a document Ayumu HASHIMOTO, Masashi Watanabe 2021-02-16
10834272 Reading device, image forming apparatus including same, and reading method Tadaaki OYAMA, Masahiro Itoh, Masato Tanaka 2020-11-10
10834292 Image processing apparatus, image processing method, and non-transitory computer-readable storage medium Manabu Komatsu, Hideki Hashimoto 2020-11-10