DH

Daisaku Horikawa

Ricoh Company: 43 patents #311 of 9,818Top 4%
Overall (All Time): #70,670 of 4,157,543Top 2%
43
Patents All Time

Issued Patents All Time

Showing 1–25 of 43 patents

Patent #TitleCo-InventorsDate
10674041 Image capturing unit, color measuring device, image forming apparatus, color measuring system and color measurement method for capturing a reference chart and a subject Nobuyuki Satoh, Yasuyuki Suzuki, Masato Kobayashi, Suguru Yokozawa, Tatsuhiko Okada +2 more 2020-06-02
10244147 Image capturing device and color measurement method for capturing a reference chart and a subject Nobuyuki Satoh, Yasuyuki Suzuki, Masato Kobayashi, Suguru Yokozawa, Tatsuhiko Okada +2 more 2019-03-26
10158767 Image capturing apparatus, image forming apparatus, distance measuring method, and computer-readable recording medium Tomohiro Sasa, Nobuyuki Satoh, Yuichi Sakurada, Kenji Morita, Masaya Kawarada 2018-12-18
10093087 Distance measuring device, image forming apparatus, and distance measuring method Masaya Kawarada, Nobuyuki Satoh, Kenji Morita, Yuichi Sakurada, Tomohiro Sasa 2018-10-09
9944103 Image forming apparatus with improved visibility for a print test pattern Tatsuhiko Okada, Mamoru Yorimoto, Yuichi Sakurada, Makoto Moriwaki 2018-04-17
9906688 Image capturing apparatus, color measuring device, image forming apparatus, and color measuring system for capturing a reference chart and a subject Nobuyuki Satoh, Yasuyuki Suzuki, Masato Kobayashi, Suguru Yokozawa, Tatsuhiko Okada +2 more 2018-02-27
9782967 Distance measuring device, image forming apparatus, and distance measuring method Masaya Kawarada, Nobuyuki Satoh, Kenji Morita, Yuichi Sakurada, Tomohiro Sasa 2017-10-10
9744785 Medium identification device, image forming apparatus, method of identifying medium, and computer program product Suguru Yokozawa, Nobuyuki Satoh, Mamoru Yorimoto, Kenji Morita, Masayuki Fujii 2017-08-29
9716124 Image capturing apparatus, medium type determining apparatus, and image forming apparatus Mamoru Yorimoto, Nobuyuki Satoh, Masato Kobayashi, Masayuki Fujii, Hiroshi Matsumoto +2 more 2017-07-25
9654671 Imaging device, medium type determining device, and image forming apparatus Mamoru Yorimoto, Nobuyuki Satoh, Kenji Morita, Masaya Kawarada, Masahiro Hiranuma 2017-05-16
9609163 Image capturing device, color measurement apparatus, and image forming apparatus Masaya Kawarada, Nobuyuki Satoh, Mamoru Yorimoto, Kenji Morita, Masahiro Hiranuma 2017-03-28
9527278 Image forming apparatus, image forming method, and computer-readable storage medium Yuichi Sakurada, Mamoru Yorimoto, Tatsuhiko Okada, Makoto Moriwaki 2016-12-27
9516179 Image capturing unit, color measuring device, image forming apparatus, color measuring system and color measurement method capturing a subject outside of the image capturing unit Nobuyuki Satoh, Yasuyuki Suzuki, Masato Kobayashi, Suguru Yokozawa, Tatsuhiko Okada +2 more 2016-12-06
9406000 Imaging device, colorimetry device, and image forming apparatus Nobuyuki Satoh, Mamoru Yorimoto, Kenji Morita, Masaya Kawarada 2016-08-02
9370930 Nozzle testing device and image forming apparatus Nobuyuki Satoh, Mamoru Yorimoto, Kenji Morita, Masayuki Fujii, Suguru Yokozawa +4 more 2016-06-21
9367013 Imaging device, image forming apparatus, and contamination inspection method Kenji Morita, Nobuyuki Satoh, Mamoru Yorimoto, Masayuki Fujii, Suguru Yokozawa +2 more 2016-06-14
9358813 Medium identification device, image forming apparatus, method of identifying medium, and computer program product Suguru Yokozawa, Nobuyuki Satoh, Mamoru Yorimoto, Kenji Morita, Masayuki Fujii 2016-06-07
9347873 Image forming apparatus, calibration method, and drying determination method Masayuki Fujii, Nobuyuki Satoh, Mamoru Yorimoto, Masato Kobayashi, Hiroshi Matsumoto +5 more 2016-05-24
9290028 Image forming apparatus, pattern position determining method, and image forming system Mamoru Yorimoto, Tatsuhiko Okada, Makoto Moriwaki 2016-03-22
9286551 Image capturing device that images a region including a reference chart and a subject Suguru Yokozawa, Nobuyuki Satoh, Yasuyuki Suzuki, Masato Kobayashi, Yuichi Sakurada +6 more 2016-03-15
9221284 Image forming apparatus, method for forming test pattern, and computer program product Tatsuhiko Okada, Mamoru Yorimoto, Yuichi Sakurada, Makoto Moriwaki 2015-12-29
9162451 Image forming apparatus, program, and image forming system Mamoru Yorimoto, Tatsuhiko Okada, Makoto Moriwaki 2015-10-20
9129196 Image capturing device and recording apparatus Nobuyuki Satoh, Masato Kobayashi, Norikazu Taki 2015-09-08
9118874 Image capturing device, color measuring device, color measuring system, image forming apparatus, and color measuring method Hiroshi Matsumoto, Nobuyuki Satoh, Yasuyuki Suzuki, Mamoru Yorimoto, Masato Kobayashi +4 more 2015-08-25
9070052 Image capturing unit, color measuring device, image forming device, color measuring system, and color measuring method Tatsuhiko Okada, Nobuyuki Satoh, Yasuyuki Suzuki, Mamoru Yorimoto, Masato Kobayashi +4 more 2015-06-30