Tadaaki OYAMA

Person

Kanagawa, JP

People

Patents Grantslast 30 patents

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
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
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
Document size detection device, image reading device, image forming...
- Patent number 10,855,866
- Issue date Dec 1, 2020
- Ricoh Company, Ltd.
- Tomohiro Sasa
- 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 reader unit and image forming apparatus including same
- Patent number 9,426,318
- Issue date Aug 23, 2016
- Ricoh Company, Ltd.
- Masatoshi Ishida
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Light-source control device, light-source control method, image rea...
- Patent number 8,711,444
- Issue date Apr 29, 2014
- Ricoh Company, Limited
- Tadaaki Oyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Light source driving device, and image processing device, image rea...
- Patent number 8,537,431
- Issue date Sep 17, 2013
- Ricoh Company, Ltd.
- Tadaaki Oyama
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Patents Applicationslast 30 patents

Information Patent Application
INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING SYSTEM, ME...
- Publication number 20240056541
- Publication date Feb 15, 2024
- Kazuki ISHIKURA
- 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 METHOD
- Publication number 20220109778
- Publication date Apr 7, 2022
- RICOH COMPANY, LTD.
- Kohsuke NAMBARA
- 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 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 20200120224
- Publication date Apr 16, 2020
- Tomohiro Sasa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
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 INCLUDING SAME, AND READING...
- Publication number 20200053233
- Publication date Feb 13, 2020
- Masamoto NAKAZAWA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
IMAGE READER UNIT AND IMAGE FORMING APPARATUS INCLUDING SAME
- Publication number 20150249762
- Publication date Sep 3, 2015
- RICOH COMPANY, LTD.
- Masatoshi ISHIDA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
LIGHT-SOURCE CONTROL DEVICE, LIGHT-SOURCE CONTROL METHOD, IMAGE REA...
- Publication number 20120236373
- Publication date Sep 20, 2012
- RICOH COMPANY, LIMITED
- Tadaaki Oyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
LIGHT SOURCE DRIVING DEVICE, AND IMAGE PROCESSING DEVICE, IMAGE REA...
- Publication number 20110249069
- Publication date Oct 13, 2011
- Tadaaki OYAMA
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Tadaaki OYAMA

Person

Patents Grantslast 30 patents

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

Image processing apparatus and image reading method

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

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

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

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

Image reader unit and image forming apparatus including same

Light-source control device, light-source control method, image rea...

Light source driving device, and image processing device, image rea...

Patents Applicationslast 30 patents

INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING SYSTEM, ME...

FRAUD CONFIRMATION ASSISTING APPARATUS AND FRAUD CONFIRMATION METHOD

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

READING DEVICE, IMAGE FORMING APPARATUS, AND METHOD

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 DEVICE, IMAGE FORMING APPARATUS, IMAGE PROCESSING...

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

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

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

READING DEVICE, IMAGE FORMING APPARATUS, AND IMAGE READING METHOD

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

IMAGE READER UNIT AND IMAGE FORMING APPARATUS INCLUDING SAME

LIGHT-SOURCE CONTROL DEVICE, LIGHT-SOURCE CONTROL METHOD, IMAGE REA...

LIGHT SOURCE DRIVING DEVICE, AND IMAGE PROCESSING DEVICE, IMAGE REA...