Masamoto Nakazawa

Person

Kanagawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Photoelectric conversion element, reading device, and image process...
- Patent number 12,081,714
- Issue date Sep 3, 2024
- Ricoh Company, Ltd.
- Masamoto Nakazawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Signal processing device, imaging device, reading device, image for...
- Patent number 11,973,904
- Issue date Apr 30, 2024
- Ricoh Company, Ltd.
- Shinji Sakaguchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Illuminating device, image reading device, and image forming appara...
- Patent number 11,936,829
- Issue date Mar 19, 2024
- Ricoh Company, Ltd.
- Atsushi Sugai
- F21 - LIGHTING
Information Patent Grant
Solid-state imaging element, reading device, image processing appar...
- Patent number 11,792,539
- Issue date Oct 17, 2023
- Ricoh Company, Ltd.
- Shinji Sakaguchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Reading device, image forming apparatus, and state detection method...
- Patent number 11,770,487
- Issue date Sep 26, 2023
- Ricoh Company, Ltd.
- Kazuki Ishikura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Photoelectric conversion element, reading device, and image process...
- Patent number 11,722,622
- Issue date Aug 8, 2023
- Ricoh Company, Ltd.
- Masamoto Nakazawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Fraud confirmation assisting apparatus and fraud confirmation metho...
- Patent number 11,694,455
- Issue date Jul 4, 2023
- Ricoh Company, Ltd.
- Tadaaki Oyama
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Reading device and method of detecting feature amount from visible...
- Patent number 11,695,892
- Issue date Jul 4, 2023
- Ricoh Company, Ltd.
- Shogo Nakamura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Reading device, image forming apparatus, and method
- Patent number 11,553,108
- Issue date Jan 10, 2023
- Ricoh Company, Ltd.
- Kohsuke Nambara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Abnormal-pixel detecting device, image forming apparatus, and metho...
- Patent number 11,546,535
- Issue date Jan 3, 2023
- Ricoh Company, Ltd.
- Yutaka Ohmiya
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Reading device, image forming apparatus, and method detecting and c...
- Patent number 11,477,342
- Issue date Oct 18, 2022
- Ricoh Company, Ltd.
- Hideki Hashimoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image processing apparatus and image reading method
- Patent number 11,457,116
- Issue date Sep 27, 2022
- Ricoh Company, Ltd.
- Tadaaki Oyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Reading device, image forming apparatus, and color mixture preventi...
- Patent number 11,457,121
- Issue date Sep 27, 2022
- Ricoh Company, Ltd.
- Takuhei Yokoyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Position detector, image forming apparatus, position detecting meth...
- Patent number 11,360,422
- Issue date Jun 14, 2022
- Ricoh Company, Ltd.
- Daisuke Nikaku
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Image processing apparatus having invisible component remover, imag...
- Patent number 11,317,000
- Issue date Apr 26, 2022
- Ricoh Company, Ltd.
- Ayumu Hashimoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image processing device, image forming apparatus, image processing...
- Patent number 11,190,666
- Issue date Nov 30, 2021
- Ricoh Company, Ltd.
- Yutaka Ohmiya
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image processing device, image forming apparatus, and image process...
- Patent number 11,170,243
- Issue date Nov 9, 2021
- Ricoh Company, Ltd.
- Masamoto Nakazawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Document size detection device, image reading device, image forming...
- Patent number 11,095,788
- Issue date Aug 17, 2021
- Ricoh Company, Ltd.
- Tadaaki Oyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Reading device, image forming apparatus, and image reading method
- Patent number 11,089,177
- Issue date Aug 10, 2021
- Ricoh Company, Ltd.
- Tatsuya Ozaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Photoelectric conversion element, image reading device, image formi...
- Patent number 11,019,293
- Issue date May 25, 2021
- Ricoh Company, Ltd.
- Naoki Asaba
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image processing apparatus, image processing system, image processi...
- Patent number 11,012,585
- Issue date May 18, 2021
- Ricoh Company, Ltd.
- Ayumu Hashimoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Reading device, image forming apparatus, correction value calculati...
- Patent number 10,931,845
- Issue date Feb 23, 2021
- Ricoh Company, Ltd.
- Tatsuya Ishii
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Reading device to read and output an invisible image included in a...
- Patent number 10,924,621
- Issue date Feb 16, 2021
- Ricoh Company, Ltd.
- Masamoto Nakazawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Reading device, image forming apparatus including same, and reading...
- Patent number 10,834,272
- Issue date Nov 10, 2020
- Ricoh Company, Ltd.
- Masamoto Nakazawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image processing apparatus, image processing method, and non-transi...
- Patent number 10,834,292
- Issue date Nov 10, 2020
- Ricoh Company, Ltd.
- Manabu Komatsu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Color inspection device to correct color readings of a color detect...
- Patent number 10,827,101
- Issue date Nov 3, 2020
- Ricoh Company, Ltd.
- Hideki Hashimoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Reading device, image forming apparatus, reference pattern reading...
- Patent number 10,771,646
- Issue date Sep 8, 2020
- Ricoh Company, Ltd.
- Tatsuya Ishii
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image reader, image forming apparatus, and image density correcting...
- Patent number 10,757,280
- Issue date Aug 25, 2020
- Ricoh Company, Ltd.
- Osamu Inage
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Information detecting device to perform a color conversion operatio...
- Patent number 10,735,625
- Issue date Aug 4, 2020
- Ricoh Company, Ltd.
- Masamoto Nakazawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image sensing device, image reading device, image forming apparatus...
- Patent number 10,721,373
- Issue date Jul 21, 2020
- Ricoh Company, Ltd.
- Yoshio Konno
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
IMAGE PROCESSING APPARATUS, READING DEVICE, IMAGE FORMING APPARATUS...
- Publication number 20250227189
- Publication date Jul 10, 2025
- Tadaaki OYAMA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
PHOTOELECTRIC CONVERSION ELEMENT, READING DEVICE, AND IMAGE PROCESS...
- Publication number 20230353693
- Publication date Nov 2, 2023
- RICOH COMPANY, LTD.
- Masamoto Nakazawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ILLUMINATING DEVICE, IMAGE READING DEVICE, AND IMAGE FORMING APPARATUS
- Publication number 20230007140
- Publication date Jan 5, 2023
- Ricoh Company, Ltd.
- Atsushi SUGAI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
GAIN MODIFICATION DEVICE, SIGNAL PROCESSING UNIT, IMAGING DEVICE, I...
- Publication number 20220407983
- Publication date Dec 22, 2022
- Hiroki SHIRADO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
PHOTOELECTRIC CONVERSION ELEMENT, READING DEVICE, AND IMAGE PROCESS...
- Publication number 20220345584
- Publication date Oct 27, 2022
- Masamoto NAKAZAWA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SIGNAL PROCESSING DEVICE, IMAGING DEVICE, READING DEVICE, IMAGE FOR...
- Publication number 20220279079
- Publication date Sep 1, 2022
- Shinji SAKAGUCHI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
FRAUD CONFIRMATION ASSISTING APPARATUS AND FRAUD CONFIRMATION METHOD
- Publication number 20220230460
- Publication date Jul 21, 2022
- Tadaaki OYAMA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
READING DEVICE, IMAGE FORMING APPARATUS, AND COLOR MIXTURE PREVENTI...
- Publication number 20220141350
- Publication date May 5, 2022
- RICOH COMPANY, LTD.
- Takuhei YOKOYAMA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
READING DEVICE, IMAGE FORMING APPARATUS, AND STATE DETECTION METHOD
- Publication number 20220109769
- Publication date Apr 7, 2022
- Ricoh Company, Ltd.
- Kazuki ISHIKURA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
READING DEVICE, IMAGE FORMING APPARATUS, AND CORRECTION METHOD
- Publication number 20220109779
- Publication date Apr 7, 2022
- Ricoh Company, Ltd.
- Hideki HASHIMOTO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
READING DEVICE, IMAGE FORMING APPARATUS, AND METHOD
- Publication number 20220109778
- Publication date Apr 7, 2022
- RICOH COMPANY, LTD.
- Kohsuke NAMBARA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SOLID-STATE IMAGING ELEMENT, READING DEVICE, IMAGE PROCESSING APPAR...
- Publication number 20210409622
- Publication date Dec 30, 2021
- Shinji SAKAGUCHI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
IMAGE PROCESSING APPARATUS AND IMAGE READING METHOD
- Publication number 20210400159
- Publication date Dec 23, 2021
- Ricoh Company, Ltd.
- Tadaaki OYAMA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
READING DEVICE, IMAGE PROCESSING APPARATUS, METHOD OF DETECTING FEA...
- Publication number 20210281712
- Publication date Sep 9, 2021
- Ricoh Company, Ltd.
- Shogo NAKAMURA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
AUTHENTICATION APPARATUS, AUTHENTICATION SYSTEM, IMAGE PROCESSING S...
- Publication number 20210227087
- Publication date Jul 22, 2021
- Ricoh Company, Ltd.
- Tatsuya OZAKI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
IMAGE PROCESSING APPARATUS, IMAGE PROCESSING METHOD, AND RECORDING...
- Publication number 20210021729
- Publication date Jan 21, 2021
- Ricoh Company, Ltd.
- Ayumu HASHIMOTO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ABNORMAL-PIXEL DETECTING DEVICE, IMAGE FORMING APPARATUS, AND METHO...
- Publication number 20210014441
- Publication date Jan 14, 2021
- Ricoh Company Ltd.
- Yutaka OHMIYA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
IMAGE PROCESSING DEVICE, IMAGE FORMING APPARATUS, IMAGE PROCESSING...
- Publication number 20200412904
- Publication date Dec 31, 2020
- Ricoh Company, Ltd.
- Yutaka OHMIYA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
IMAGE PROCESSING DEVICE, IMAGE FORMING APPARATUS, AND IMAGE PROCESS...
- Publication number 20200410271
- Publication date Dec 31, 2020
- Ricoh Company, Ltd.
- Masamoto NAKAZAWA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
DOCUMENT SIZE DETECTION DEVICE, IMAGE READING DEVICE, IMAGE FORMING...
- Publication number 20200120225
- Publication date Apr 16, 2020
- Tadaaki OYAMA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
READING DEVICE, IMAGE FORMING APPARATUS, AND IMAGE READING METHOD
- Publication number 20200120228
- Publication date Apr 16, 2020
- Tatsuya Ozaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
READING DEVICE, IMAGE FORMING APPARATUS, AUTHENTICITY DETERMINATION...
- Publication number 20200053230
- Publication date Feb 13, 2020
- Masamoto NAKAZAWA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
IMAGE PROCESSING APPARATUS, IMAGE PROCESSING SYSTEM, IMAGE PROCESSI...
- Publication number 20200053229
- Publication date Feb 13, 2020
- Ayumu HASHIMOTO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
READING DEVICE, IMAGE FORMING APPARATUS INCLUDING SAME, AND READING...
- Publication number 20200053233
- Publication date Feb 13, 2020
- Masamoto NAKAZAWA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
IMAGE PROCESSING APPARATUS, IMAGE PROCESSING METHOD, AND NON-TRANSI...
- Publication number 20190387131
- Publication date Dec 19, 2019
- Manabu Komatsu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
INFORMATION DETECTING DEVICE, READING DEVICE, IMAGE FORMING APPARAT...
- Publication number 20190335061
- Publication date Oct 31, 2019
- Masamoto NAKAZAWA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
COLOR INSPECTION DEVICE, IMAGE FORMING APPARATUS, COLOR INSPECTION...
- Publication number 20190327387
- Publication date Oct 24, 2019
- Hideki HASHIMOTO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
PHOTOELECTRIC CONVERSION DEVICE, IMAGE READING APPARATUS, IMAGE FOR...
- Publication number 20190289163
- Publication date Sep 19, 2019
- Hideki HASHIMOTO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
PHOTOELECTRIC CONVERSION ELEMENT AND IMAGE PROCESSING APPARATUS
- Publication number 20190268496
- Publication date Aug 29, 2019
- Masamoto NAKAZAWA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
POSITION DETECTING DEVICE, IMAGE FORMING APPARATUS, AND METHOD
- Publication number 20190238687
- Publication date Aug 1, 2019
- Daisuke Nikaku
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Masamoto Nakazawa

Person

Patents Grantslast 30 patents

Photoelectric conversion element, reading device, and image process...

Signal processing device, imaging device, reading device, image for...

Illuminating device, image reading device, and image forming appara...

Solid-state imaging element, reading device, image processing appar...

Reading device, image forming apparatus, and state detection method...

Photoelectric conversion element, reading device, and image process...

Fraud confirmation assisting apparatus and fraud confirmation metho...

Reading device and method of detecting feature amount from visible...

Reading device, image forming apparatus, and method

Abnormal-pixel detecting device, image forming apparatus, and metho...

Reading device, image forming apparatus, and method detecting and c...

Image processing apparatus and image reading method

Reading device, image forming apparatus, and color mixture preventi...

Position detector, image forming apparatus, position detecting meth...

Image processing apparatus having invisible component remover, imag...

Image processing device, image forming apparatus, image processing...

Image processing device, image forming apparatus, and image process...

Document size detection device, image reading device, image forming...

Reading device, image forming apparatus, and image reading method

Photoelectric conversion element, image reading device, image formi...

Image processing apparatus, image processing system, image processi...

Reading device, image forming apparatus, correction value calculati...

Reading device to read and output an invisible image included in a...

Reading device, image forming apparatus including same, and reading...

Image processing apparatus, image processing method, and non-transi...

Color inspection device to correct color readings of a color detect...

Reading device, image forming apparatus, reference pattern reading...

Image reader, image forming apparatus, and image density correcting...

Information detecting device to perform a color conversion operatio...

Image sensing device, image reading device, image forming apparatus...

Patents Applicationslast 30 patents

IMAGE PROCESSING APPARATUS, READING DEVICE, IMAGE FORMING APPARATUS...

PHOTOELECTRIC CONVERSION ELEMENT, READING DEVICE, AND IMAGE PROCESS...

ILLUMINATING DEVICE, IMAGE READING DEVICE, AND IMAGE FORMING APPARATUS

GAIN MODIFICATION DEVICE, SIGNAL PROCESSING UNIT, IMAGING DEVICE, I...

PHOTOELECTRIC CONVERSION ELEMENT, READING DEVICE, AND IMAGE PROCESS...

SIGNAL PROCESSING DEVICE, IMAGING DEVICE, READING DEVICE, IMAGE FOR...

FRAUD CONFIRMATION ASSISTING APPARATUS AND FRAUD CONFIRMATION METHOD

READING DEVICE, IMAGE FORMING APPARATUS, AND COLOR MIXTURE PREVENTI...

READING DEVICE, IMAGE FORMING APPARATUS, AND STATE DETECTION METHOD

READING DEVICE, IMAGE FORMING APPARATUS, AND CORRECTION METHOD

READING DEVICE, IMAGE FORMING APPARATUS, AND METHOD

SOLID-STATE IMAGING ELEMENT, READING DEVICE, IMAGE PROCESSING APPAR...

IMAGE PROCESSING APPARATUS AND IMAGE READING METHOD

READING DEVICE, IMAGE PROCESSING APPARATUS, METHOD OF DETECTING FEA...

AUTHENTICATION APPARATUS, AUTHENTICATION SYSTEM, IMAGE PROCESSING S...

IMAGE PROCESSING APPARATUS, IMAGE PROCESSING METHOD, AND RECORDING...

ABNORMAL-PIXEL DETECTING DEVICE, IMAGE FORMING APPARATUS, AND METHO...

IMAGE PROCESSING DEVICE, IMAGE FORMING APPARATUS, IMAGE PROCESSING...

IMAGE PROCESSING DEVICE, IMAGE FORMING APPARATUS, AND IMAGE PROCESS...

DOCUMENT SIZE DETECTION DEVICE, IMAGE READING DEVICE, IMAGE FORMING...

READING DEVICE, IMAGE FORMING APPARATUS, AND IMAGE READING METHOD

READING DEVICE, IMAGE FORMING APPARATUS, AUTHENTICITY DETERMINATION...

IMAGE PROCESSING APPARATUS, IMAGE PROCESSING SYSTEM, IMAGE PROCESSI...

READING DEVICE, IMAGE FORMING APPARATUS INCLUDING SAME, AND READING...

IMAGE PROCESSING APPARATUS, IMAGE PROCESSING METHOD, AND NON-TRANSI...

INFORMATION DETECTING DEVICE, READING DEVICE, IMAGE FORMING APPARAT...

COLOR INSPECTION DEVICE, IMAGE FORMING APPARATUS, COLOR INSPECTION...

PHOTOELECTRIC CONVERSION DEVICE, IMAGE READING APPARATUS, IMAGE FOR...

PHOTOELECTRIC CONVERSION ELEMENT AND IMAGE PROCESSING APPARATUS

POSITION DETECTING DEVICE, IMAGE FORMING APPARATUS, AND METHOD