Jichuan Zheng

Person

Beijing, CN

People

Patents Grantslast 30 patents

Information Patent Grant
User behavior analysis method and device as well as non-transitory...
- Patent number 10,607,243
- Issue date Mar 31, 2020
- Ricoh Company, Ltd.
- Guanglei Zhang
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Evaluation element recognition method, evaluation element recogniti...
- Patent number 10,282,420
- Issue date May 7, 2019
- Ricoh Company, Ltd.
- Shanshan Jiang
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Intelligent illumination control method, apparatus, and system
- Patent number 9,433,063
- Issue date Aug 30, 2016
- Ricoh Company, Ltd.
- Xinping Bao
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method and device for detecting road region as well as method and d...
- Patent number 9,378,424
- Issue date Jun 28, 2016
- Ricoh Company, Ltd.
- Ganmei You
- G01 - MEASURING TESTING
Information Patent Grant
Method and apparatus for detecting road partition
- Patent number 9,373,043
- Issue date Jun 21, 2016
- Ricoh Company, Ltd.
- Yaojie Lu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Lighting device, local device, lighting control system, and lightin...
- Patent number 9,326,357
- Issue date Apr 26, 2016
- Ricoh Company, Ltd.
- Guanglei Zhang
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method and system for detecting object on a road
- Patent number 8,923,605
- Issue date Dec 30, 2014
- Ricoh Company, Ltd.
- Ganmei You
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and device for detecting road region as well as method and d...
- Patent number 8,861,791
- Issue date Oct 14, 2014
- Ricoh Company, Ltd.
- Ganmei You
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Speech retrieval apparatus and speech retrieval method
- Patent number 8,504,367
- Issue date Aug 6, 2013
- Ricoh Company, Ltd.
- Dafei Shi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Speech retrieval apparatus and speech retrieval method
- Patent number 8,316,004
- Issue date Nov 20, 2012
- Ricoh Company, Ltd.
- Yueyan Yin
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Search result optimization method and device that adjusts reliabili...
- Patent number 7,849,042
- Issue date Dec 7, 2010
- Ricoh Company, Ltd.
- Lu Yaojie
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
USER BEHAVIOR ANALYSIS METHOD AND DEVICE AS WELL AS NON-TRANSITORY...
- Publication number 20180047036
- Publication date Feb 15, 2018
- RICOH COMPANY, LTD.
- Guanglei ZHANG
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
EVALUATION ELEMENT RECOGNITION METHOD, EVALUATION ELEMENT RECOGNITI...
- Publication number 20170337182
- Publication date Nov 23, 2017
- RICOH COMPANY, LTD.
- Shanshan JIANG
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
METHOD, APPARATUS, AND NON-TRANSITORY COMPUTER-READABLE STORAGE MED...
- Publication number 20160335493
- Publication date Nov 17, 2016
- Jichuan ZHENG
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
METHOD AND DEVICE FOR CONTROLLING AIR CONDITIONING SYSTEM
- Publication number 20160109146
- Publication date Apr 21, 2016
- Guanglei ZHANG
- F24 - HEATING RANGES VENTILATING
Information Patent Application
METHOD AND DEVICE FOR DETECTING ROAD REGION AS WELL AS METHOD AND D...
- Publication number 20140379257
- Publication date Dec 25, 2014
- RICOH COMPANY, LTD.
- Ganmei YOU
- G01 - MEASURING TESTING
Information Patent Application
INTELLIGENT ILLUMINATION CONTROL METHOD, APPARATUS, AND SYSTEM
- Publication number 20140333209
- Publication date Nov 13, 2014
- RICOH COMPANY, LTD.
- Xinping Bao
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
LIGHTING DEVICE, LOCAL DEVICE, LIGHTING CONTROL SYSTEM, AND LIGHTIN...
- Publication number 20140252963
- Publication date Sep 11, 2014
- Guanglei Zhang
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
METHOD AND DEVICE FOR DETECTING ROAD REGION AS WELL AS METHOD AND D...
- Publication number 20130163821
- Publication date Jun 27, 2013
- Ganmei YOU
- G01 - MEASURING TESTING
Information Patent Application
METHOD AND APPARATUS FOR DETECTING ROAD PARTITION
- Publication number 20130148856
- Publication date Jun 13, 2013
- Yaojie LU
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
METHOD AND SYSTEM FOR DETECTING OBJECT ON A ROAD
- Publication number 20130128001
- Publication date May 23, 2013
- Ganmei YOU
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SPEECH RETRIEVAL APPARATUS AND SPEECH RETRIEVAL METHOD
- Publication number 20110131236
- Publication date Jun 2, 2011
- Yueyan Yin
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SPEECH RETRIEVAL APPARATUS AND SPEECH RETRIEVAL METHOD
- Publication number 20110071833
- Publication date Mar 24, 2011
- Dafei SHI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Object entity searching method and object entity searching device
- Publication number 20080114742
- Publication date May 15, 2008
- You Ganmei
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Search result optimization method and device
- Publication number 20080114741
- Publication date May 15, 2008
- Lu Yaojie
- G06 - COMPUTING CALCULATING COUNTING

Jichuan Zheng

Person

Patents Grantslast 30 patents

User behavior analysis method and device as well as non-transitory...

Evaluation element recognition method, evaluation element recogniti...

Intelligent illumination control method, apparatus, and system

Method and device for detecting road region as well as method and d...

Method and apparatus for detecting road partition

Lighting device, local device, lighting control system, and lightin...

Method and system for detecting object on a road

Method and device for detecting road region as well as method and d...

Speech retrieval apparatus and speech retrieval method

Speech retrieval apparatus and speech retrieval method

Search result optimization method and device that adjusts reliabili...

Patents Applicationslast 30 patents

USER BEHAVIOR ANALYSIS METHOD AND DEVICE AS WELL AS NON-TRANSITORY...

EVALUATION ELEMENT RECOGNITION METHOD, EVALUATION ELEMENT RECOGNITI...

METHOD, APPARATUS, AND NON-TRANSITORY COMPUTER-READABLE STORAGE MED...

METHOD AND DEVICE FOR CONTROLLING AIR CONDITIONING SYSTEM

METHOD AND DEVICE FOR DETECTING ROAD REGION AS WELL AS METHOD AND D...

INTELLIGENT ILLUMINATION CONTROL METHOD, APPARATUS, AND SYSTEM

LIGHTING DEVICE, LOCAL DEVICE, LIGHTING CONTROL SYSTEM, AND LIGHTIN...

METHOD AND DEVICE FOR DETECTING ROAD REGION AS WELL AS METHOD AND D...

METHOD AND APPARATUS FOR DETECTING ROAD PARTITION

METHOD AND SYSTEM FOR DETECTING OBJECT ON A ROAD

SPEECH RETRIEVAL APPARATUS AND SPEECH RETRIEVAL METHOD

SPEECH RETRIEVAL APPARATUS AND SPEECH RETRIEVAL METHOD

Object entity searching method and object entity searching device

Search result optimization method and device