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Nobunari Tsukamoto
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Osaka, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Optical device, range sensor using optical device, and mobile object
Patent number
11,808,855
Issue date
Nov 7, 2023
Ricoh Company, Ltd.
Toshiyuki Ikeoh
G01 - MEASURING TESTING
Information
Patent Grant
Light deflector, LiDAR device, and image forming apparatus
Patent number
11,624,903
Issue date
Apr 11, 2023
Ricoh Company, Ltd.
Masayuki Fujishima
G01 - MEASURING TESTING
Information
Patent Grant
Distance measuring apparatus and mobile body including the same
Patent number
11,579,289
Issue date
Feb 14, 2023
Ricoh Company, Ltd.
Shuichi Suzuki
G02 - OPTICS
Information
Patent Grant
Low voltage differential signaling driver
Patent number
10,298,419
Issue date
May 21, 2019
Ricoh Company, Ltd.
Yuji Watabe
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Wireless communication apparatus and mobile device
Patent number
9,684,808
Issue date
Jun 20, 2017
Ricoh Company, Ltd.
Nobunari Tsukamoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Amplifier circuit, antenna module, and radio communication device
Patent number
9,473,199
Issue date
Oct 18, 2016
Ricoh Company, Ltd.
Masaaki Tsuji
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Amplifier circuit, antenna module and wireless communication apparatus
Patent number
9,407,312
Issue date
Aug 2, 2016
Ricoh Company, Ltd.
Masaaki Tsuji
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Data processing apparatus
Patent number
8,243,865
Issue date
Aug 14, 2012
Ricoh Company, Ltd.
Nobunari Tsukamoto
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
FM-AM demodulator and control method therefor
Patent number
8,213,892
Issue date
Jul 3, 2012
Ricoh Company, Ltd.
Nobunari Tsukamoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Differential signal output device
Patent number
8,194,780
Issue date
Jun 5, 2012
Ricoh Company, Ltd.
Nobunari Tsukamoto
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Oversampling circuit and oversampling method
Patent number
8,023,605
Issue date
Sep 20, 2011
Ricoh Company, Ltd.
Nobunari Tsukamoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Pixel clock generator, pulse modulator, and image forming apparatus
Patent number
7,791,634
Issue date
Sep 7, 2010
Ricoh Company, Limited
Naruhiro Masui
G06 - COMPUTING CALCULATING COUNTING
Patents Applications
last 30 patents
Information
Patent Application
OPERATING DEVICE, LIGHT DEFLECTOR, LIGHT DEFLECTING DEVICE, DISTANC...
Publication number
20220155582
Publication date
May 19, 2022
RICOH COMPANY, LTD.
MASAYUKI FUJISHIMA
G02 - OPTICS
Information
Patent Application
MOVABLE DEVICE, DISTANCE MEASUREMENT DEVICE, IMAGE PROJECTION APPAR...
Publication number
20210395073
Publication date
Dec 23, 2021
RICOH COMPANY, LTD.
Masayuki FUJISHIMA
B81 - MICRO-STRUCTURAL TECHNOLOGY
Information
Patent Application
OPTICAL DEVICE, RANGE SENSOR USING OPTICAL DEVICE, AND MOBILE OBJECT
Publication number
20210165101
Publication date
Jun 3, 2021
Toshiyuki IKEOH
G02 - OPTICS
Information
Patent Application
LIGHT DEFLECTOR, DEFLECTING DEVICE, DISTANCE-MEASURING APPARATUS, I...
Publication number
20210109342
Publication date
Apr 15, 2021
Masayuki FUJISHIMA
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
LIGHT DEFLECTOR, LIDAR DEVICE, AND IMAGE FORMING APPARATUS
Publication number
20200400940
Publication date
Dec 24, 2020
RICOH COMPANY, LTD.
MASAYUKI FUJISHIMA
G02 - OPTICS
Information
Patent Application
DISTANCE MEASURING APPARATUS AND MOBILE BODY INCLUDING THE SAME
Publication number
20190250270
Publication date
Aug 15, 2019
Shuichi SUZUKI
G02 - OPTICS
Information
Patent Application
LOW VOLTAGE DIFFERENTIAL SIGNALING DRIVER
Publication number
20180139076
Publication date
May 17, 2018
Yuji WATABE
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
WIRELESS COMMUNICATION DEVICE AND MOBILE TERMINAL
Publication number
20160197651
Publication date
Jul 7, 2016
RICOH COMPANY, LTD.
Nobunari Tsukamoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
WIRELESS COMMUNICATION APPARATUS AND MOBILE DEVICE
Publication number
20160188924
Publication date
Jun 30, 2016
Nobunari TSUKAMOTO
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
AMPLIFIER CIRCUIT, ANTENNA MODULE, AND RADIO COMMUNICATION DEVICE
Publication number
20150358053
Publication date
Dec 10, 2015
RICOH COMPANY, LTD.
Masaaki Tsuji
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
AMPLIFIER CIRCUIT, ANTENNA MODULE AND WIRELESS COMMUNICATION APPARATUS
Publication number
20150229346
Publication date
Aug 13, 2015
RICOH COMPANY, LTD.
Masaaki Tsuji
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
FM-AM DEMODULATOR AND CONTROL METHOD THEREFOR
Publication number
20100197252
Publication date
Aug 5, 2010
RICOH COMPANY, LTD.
Nobunari TSUKAMOTO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Differential signal output device
Publication number
20090046784
Publication date
Feb 19, 2009
Nobunari Tsukamoto
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Pixel Clock Generator, Pulse Modulator, and Image Forming Apparatus
Publication number
20080143814
Publication date
Jun 19, 2008
Naruhiro Masui
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
OVERSAMPLING CIRCUIT AND OVERSAMPLING METHOD
Publication number
20080056420
Publication date
Mar 6, 2008
Nobunari Tsukamoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
DATA PROCESSING APPARATUS
Publication number
20070297548
Publication date
Dec 27, 2007
Nobunari Tsukamoto
H03 - BASIC ELECTRONIC CIRCUITRY