Kenji Kameyama

Person

Sagamihara, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Head-mounted display device containing relay optical system between...
- Patent number 11,960,096
- Issue date Apr 16, 2024
- Ricoh Company, Ltd.
- Shigenobu Hirano
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Head-mounted display device with adjuster
- Patent number 11,656,461
- Issue date May 23, 2023
- Ricoh Company, Ltd.
- Aino Hasegawa
- G02 - OPTICS
Information Patent Grant
Display apparatus and display method
- Patent number 11,143,870
- Issue date Oct 12, 2021
- Ricoh Company, Ltd.
- Norikazu Igarashi
- G02 - OPTICS
Information Patent Grant
Monocular image display device
- Patent number 10,942,354
- Issue date Mar 9, 2021
- Ricoh Company, Ltd.
- Yasuo Katano
- G02 - OPTICS
Information Patent Grant
Apparatus, system, and method of information sharing, and recording...
- Patent number 10,670,421
- Issue date Jun 2, 2020
- Ricoh Company, Ltd.
- Yuuto Gotoh
- G01 - MEASURING TESTING
Information Patent Grant
Arbitration device, arbitration method, and computer program product
- Patent number 9,500,683
- Issue date Nov 22, 2016
- Ricoh Company, Ltd.
- Yukio Fujiwara
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Type determination apparatus, type determination method, and comput...
- Patent number 9,207,268
- Issue date Dec 8, 2015
- Ricoh Company, Limited
- Yukio Fujiwara
- G01 - MEASURING TESTING
Information Patent Grant
Administration apparatus, operating method thereof and administrati...
- Patent number 9,089,644
- Issue date Jul 28, 2015
- Ricoh Company, Ltd.
- Yuki Kitaoka
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Image processing apparatus and image display apparatus
- Patent number 8,223,171
- Issue date Jul 17, 2012
- Ricoh Company, Ltd.
- Kenji Namie
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image display apparatus and alternative current drive method
- Patent number 7,733,317
- Issue date Jun 8, 2010
- Ricoh Company, Ltd.
- Toshiharu Murai
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Converting the resolution of an image using interpolation and displ...
- Patent number 7,551,805
- Issue date Jun 23, 2009
- Ricoh Company, Ltd.
- Kenji Namie
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Image forming device
- Patent number 7,505,714
- Issue date Mar 17, 2009
- Ricoh Company, Ltd.
- Shoji Asanuma
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Light deflection element, light deflection device and image display...
- Patent number 7,345,733
- Issue date Mar 18, 2008
- Ricoh Comapny, Ltd.
- Hiroyuki Sugimoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image display apparatus
- Patent number 7,322,700
- Issue date Jan 29, 2008
- Ricoh Company, Ltd.
- Kazuya Miyagaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image display apparatus
- Patent number 7,125,121
- Issue date Oct 24, 2006
- Ricoh Company, Ltd.
- Kazuya Miyagaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Light deflection element, light deflection device and image display...
- Patent number 7,057,700
- Issue date Jun 6, 2006
- Ricoh Company, Ltd.
- Hiroyuki Sugimoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Illumination system and projector
- Patent number 6,497,488
- Issue date Dec 24, 2002
- Ricoh Company, Ltd.
- Satoshi Yamauchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Bistable liquid crystal display device
- Patent number 6,320,571
- Issue date Nov 20, 2001
- Ricoh Company, Ltd.
- Hiroyuki Takahashi
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Document reading apparatus having a white platen roller
- Patent number 6,295,140
- Issue date Sep 25, 2001
- Ricoh Company, Ltd.
- Kenji Kameyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Liquid crystal display device
- Patent number 6,061,042
- Issue date May 9, 2000
- Ricoh Company, Ltd.
- Hiroyuki Takahashi
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Method and image forming apparatus for preventing the use of unsuit...
- Patent number 5,983,054
- Issue date Nov 9, 1999
- Ricoh Company, Ltd.
- Kenji Kameyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus having recording head support
- Patent number 5,835,232
- Issue date Nov 10, 1998
- Ricoh Company, Ltd.
- Kenji Kameyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image forming apparatus with a plotter cover which rotatably suppor...
- Patent number 5,737,089
- Issue date Apr 7, 1998
- Ricoh Company, Ltd.
- Kenji Kameyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image forming apparatus
- Patent number 5,708,517
- Issue date Jan 13, 1998
- Ricoh Company, Ltd.
- Kenji Kameyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method of driving an LCD employing combining two voltages which cha...
- Patent number 5,543,945
- Issue date Aug 6, 1996
- Ricoh Company, Ltd.
- Yuji Kimura
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Deposited multi-layer device with a plastic substrate having an ino...
- Patent number 5,319,479
- Issue date Jun 7, 1994
- Ricoh Company, Ltd.
- Katsuyuki Yamada
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Thin film electroluminescent element
- Patent number 5,142,192
- Issue date Aug 25, 1992
- Ricoh Company, Ltd.
- Masaetsu Takahashi
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Thin film electroluminescence device
- Patent number 4,975,338
- Issue date Dec 4, 1990
- Ricoh Company, Ltd.
- Yoshiyuki Kageyama
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Electroluminescence multi-color display device
- Patent number 4,914,348
- Issue date Apr 3, 1990
- Ricoh Company, Ltd.
- Kenji Kameyama
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Electroluminescence devices and method of fabricating the same
- Patent number 4,720,436
- Issue date Jan 19, 1988
- Ricoh Company, Ltd.
- Seiichi Ohseto
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Patents Applicationslast 30 patents

Information Patent Application
LIGHT GUIDE MEMBER AND DISPLAY DEVICE
- Publication number 20230280592
- Publication date Sep 7, 2023
- Naoki NAKAMURA
- G02 - OPTICS
Information Patent Application
LIGHT GUIDE AND VIRTUAL-IMAGE DISPLAY DEVICE
- Publication number 20230003931
- Publication date Jan 5, 2023
- Naoki NAKAMURA
- G02 - OPTICS
Information Patent Application
LENS UNIT, OPTICAL SYSTEM, AND ELECTRONIC APPARATUS
- Publication number 20220252838
- Publication date Aug 11, 2022
- Yoshifumi SUDOH
- G02 - OPTICS
Information Patent Application
VIRTUAL IMAGE DISPLAY DEVICE
- Publication number 20220057640
- Publication date Feb 24, 2022
- Naoki NAKAMURA
- G02 - OPTICS
Information Patent Application
PROPAGATION OPTICAL SYSTEM AND VIRTUAL IMAGE DISPLAY DEVICE
- Publication number 20220026716
- Publication date Jan 27, 2022
- Ricoh Company, Ltd.
- Yoshifumi SUDOH
- G02 - OPTICS
Information Patent Application
HEAD-MOUNTED DISPLAY DEVICE
- Publication number 20210165221
- Publication date Jun 3, 2021
- Aino HASEGAWA
- G02 - OPTICS
Information Patent Application
HEAD-MOUNTED DISPLAY DEVICE AND DISPLAY SYSTEM
- Publication number 20200400962
- Publication date Dec 24, 2020
- Shigenobu HIRANO
- G02 - OPTICS
Information Patent Application
IMAGE DISPLAY SYSTEM, IMAGE DISPLAY METHOD, AND WEARABLE DISPLAY DE...
- Publication number 20200400954
- Publication date Dec 24, 2020
- Satomi Tanaka
- G02 - OPTICS
Information Patent Application
DISPLAY APPARATUS AND DISPLAY METHOD
- Publication number 20190353908
- Publication date Nov 21, 2019
- Norikazu IGARASHI
- G02 - OPTICS
Information Patent Application
APPARATUS, SYSTEM, AND METHOD OF INFORMATION SHARING, AND RECORDING...
- Publication number 20170328733
- Publication date Nov 16, 2017
- Yuuto GOTOH
- G02 - OPTICS
Information Patent Application
POSITIONING SYSTEM AND PROGRAM
- Publication number 20170322286
- Publication date Nov 9, 2017
- RICOH COMPANY, LTD.
- Fumio YOSHIZAWA
- G01 - MEASURING TESTING
Information Patent Application
MONOCULAR IMAGE DISPLAY DEVICE
- Publication number 20170315357
- Publication date Nov 2, 2017
- Yasuo KATANO
- G02 - OPTICS
Information Patent Application
INFORMATION PROCESSING DEVICE, INFORMATION PROCESSING METHOD, AND C...
- Publication number 20160290806
- Publication date Oct 6, 2016
- Keisuke KONISHI
- G01 - MEASURING TESTING
Information Patent Application
DIRECTION ESTIMATING DEVICE, DIRECTION ESTIMATING SYSTEM, AND METHO...
- Publication number 20160273920
- Publication date Sep 22, 2016
- Yusuke MATSUSHITA
- G01 - MEASURING TESTING
Information Patent Application
ARBITRATION DEVICE, ARBITRATION METHOD, AND COMPUTER PROGRAM PRODUCT
- Publication number 20140266153
- Publication date Sep 18, 2014
- Yukio FUJIWARA
- G01 - MEASURING TESTING
Information Patent Application
ENVIRONMENT CONTROL SYSTEM, METHOD FOR PERFORMING THE SAME AND COMP...
- Publication number 20140114493
- Publication date Apr 24, 2014
- Takeo TSUKAMOTO
- G05 - CONTROLLING REGULATING
Information Patent Application
TYPE DETERMINATION APPARATUS, TYPE DETERMINATION METHOD, AND COMPUT...
- Publication number 20140070790
- Publication date Mar 13, 2014
- Yukio FUJIWARA
- G01 - MEASURING TESTING
Information Patent Application
ADMINISTRATION APPARATUS, OPERATING METHOD THEREOF AND ADMINISTRATI...
- Publication number 20130165906
- Publication date Jun 27, 2013
- RICOH COMPANY, LTD.
- Yuki Kitaoka
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
PUMP MODULE AND INFUSION PUMP SYSTEM
- Publication number 20120123336
- Publication date May 17, 2012
- Kenji Kameyama
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
SOLUTION SENDING SYSTEM
- Publication number 20120123325
- Publication date May 17, 2012
- Kenji Kameyama
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
SOLUTION SENDING SYSTEM AND SOLUTION SENDING METHOD
- Publication number 20120073673
- Publication date Mar 29, 2012
- Kenji Kameyama
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
IMAGE PROCESSING APPARATUS AND IMAGE DISPLAY APPARATUS
- Publication number 20080068505
- Publication date Mar 20, 2008
- Kenji Namie
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Image display apparatus
- Publication number 20070008495
- Publication date Jan 11, 2007
- Kazuya Miyagaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Light deflection element, light deflection device and image display...
- Publication number 20060181671
- Publication date Aug 17, 2006
- Hiroyuki Sugimoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Converting the resolution of an image using interpolation and displ...
- Publication number 20060013499
- Publication date Jan 19, 2006
- Kenji Namie
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Image forming device
- Publication number 20050265749
- Publication date Dec 1, 2005
- Shoji Asanuma
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Image display apparatus and alternative current drive method
- Publication number 20050168455
- Publication date Aug 4, 2005
- Toshiharu Murai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Image display apparatus
- Publication number 20030222980
- Publication date Dec 4, 2003
- Kazuya Miyagaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Light deflection element, light deflection device and image display...
- Publication number 20030098945
- Publication date May 29, 2003
- Hiroyuki Sugimoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Light deflection element, light deflection device and image display...
- Publication number 20020135729
- Publication date Sep 26, 2002
- Toshiaki Tokita
- G02 - OPTICS

Kenji Kameyama

Person

Patents Grantslast 30 patents

Head-mounted display device containing relay optical system between...

Head-mounted display device with adjuster

Display apparatus and display method

Monocular image display device

Apparatus, system, and method of information sharing, and recording...

Arbitration device, arbitration method, and computer program product

Type determination apparatus, type determination method, and comput...

Administration apparatus, operating method thereof and administrati...

Image processing apparatus and image display apparatus

Image display apparatus and alternative current drive method

Converting the resolution of an image using interpolation and displ...

Image forming device

Light deflection element, light deflection device and image display...

Image display apparatus

Image display apparatus

Light deflection element, light deflection device and image display...

Illumination system and projector

Bistable liquid crystal display device

Document reading apparatus having a white platen roller

Liquid crystal display device

Method and image forming apparatus for preventing the use of unsuit...

Image forming apparatus having recording head support

Image forming apparatus with a plotter cover which rotatably suppor...

Image forming apparatus

Method of driving an LCD employing combining two voltages which cha...

Deposited multi-layer device with a plastic substrate having an ino...

Thin film electroluminescent element

Thin film electroluminescence device

Electroluminescence multi-color display device

Electroluminescence devices and method of fabricating the same

Patents Applicationslast 30 patents

LIGHT GUIDE MEMBER AND DISPLAY DEVICE

LIGHT GUIDE AND VIRTUAL-IMAGE DISPLAY DEVICE

LENS UNIT, OPTICAL SYSTEM, AND ELECTRONIC APPARATUS

VIRTUAL IMAGE DISPLAY DEVICE

PROPAGATION OPTICAL SYSTEM AND VIRTUAL IMAGE DISPLAY DEVICE

HEAD-MOUNTED DISPLAY DEVICE

HEAD-MOUNTED DISPLAY DEVICE AND DISPLAY SYSTEM

IMAGE DISPLAY SYSTEM, IMAGE DISPLAY METHOD, AND WEARABLE DISPLAY DE...

DISPLAY APPARATUS AND DISPLAY METHOD

APPARATUS, SYSTEM, AND METHOD OF INFORMATION SHARING, AND RECORDING...

POSITIONING SYSTEM AND PROGRAM

MONOCULAR IMAGE DISPLAY DEVICE

INFORMATION PROCESSING DEVICE, INFORMATION PROCESSING METHOD, AND C...

DIRECTION ESTIMATING DEVICE, DIRECTION ESTIMATING SYSTEM, AND METHO...

ARBITRATION DEVICE, ARBITRATION METHOD, AND COMPUTER PROGRAM PRODUCT

ENVIRONMENT CONTROL SYSTEM, METHOD FOR PERFORMING THE SAME AND COMP...

TYPE DETERMINATION APPARATUS, TYPE DETERMINATION METHOD, AND COMPUT...

ADMINISTRATION APPARATUS, OPERATING METHOD THEREOF AND ADMINISTRATI...

PUMP MODULE AND INFUSION PUMP SYSTEM

SOLUTION SENDING SYSTEM

SOLUTION SENDING SYSTEM AND SOLUTION SENDING METHOD

IMAGE PROCESSING APPARATUS AND IMAGE DISPLAY APPARATUS

Image display apparatus

Light deflection element, light deflection device and image display...

Converting the resolution of an image using interpolation and displ...

Image forming device

Image display apparatus and alternative current drive method

Image display apparatus

Light deflection element, light deflection device and image display...

Light deflection element, light deflection device and image display...