Takahisa Yamaguchi

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Image processing apparatus and image processing method
- Patent number 10,356,262
- Issue date Jul 16, 2019
- Ricoh Company, Ltd.
- Atsushi Ishitori
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Apparatus, apparatus authentication management system and apparatus...
- Patent number 9,799,929
- Issue date Oct 24, 2017
- Ricoh Company, Ltd.
- Tsutomu Kawase
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS

Patents Applicationslast 30 patents

Information Patent Application
IMAGE PROCESSING APPARATUS AND IMAGE PROCESSING METHOD
- Publication number 20170244850
- Publication date Aug 24, 2017
- RICOH COMPANY, LTD.
- Atsushi ISHITORI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
APPARATUS, APPARATUS AUTHENTICATION MANAGEMENT SYSTEM AND APPARATUS...
- Publication number 20150162646
- Publication date Jun 11, 2015
- RICOH COMPANY, LTD.
- Tsutomu Kawase
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LOCKING MECHANISM AND LOCKING SYSTEM
- Publication number 20140111306
- Publication date Apr 24, 2014
- RICOH COMPANY, LTD.
- Tsutomu Kawase
- G07 - CHECKING-DEVICES