Tatsumi Fujiyoshi

Person

Miyagi-Ken, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Capacitance detection device and capacitance detection method
- Patent number 12,174,047
- Issue date Dec 24, 2024
- Alps Alpine Co., Ltd.
- Tatsumi Fujiyoshi
- G01 - MEASURING TESTING
Information Patent Grant
Capacitance detection device and capacitance detection method
- Patent number 12,019,109
- Issue date Jun 25, 2024
- Alps Alpine Co., Ltd.
- Tatsumi Fujiyoshi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Detection device
- Patent number 11,599,222
- Issue date Mar 7, 2023
- Alps Alpine Co., Ltd.
- Tatsumi Fujiyoshi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Operation input device and door handle
- Patent number 11,511,605
- Issue date Nov 29, 2022
- Alps Alpine Co., Ltd.
- Tatsumi Fujiyoshi
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Proximity detecting device having obliquely crossing detection elec...
- Patent number 11,379,086
- Issue date Jul 5, 2022
- Alps Alpine Co., Ltd.
- Tatsumi Fujiyoshi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Electrostatic sensor and door handle
- Patent number 11,327,100
- Issue date May 10, 2022
- Alps Alpine Co., Ltd.
- Tatsumi Fujiyoshi
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Input device
- Patent number 11,188,166
- Issue date Nov 30, 2021
- Alps Alpine Co., Ltd.
- Tatsumi Fujiyoshi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Electrostatic sensor
- Patent number 11,131,566
- Issue date Sep 28, 2021
- Alps Alpine Co., Ltd.
- Tatsumi Fujiyoshi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Input device and image data calculation method
- Patent number 11,112,920
- Issue date Sep 7, 2021
- Alps Alpine Co., Ltd.
- Tomoki Yamada
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Input device and method of controlling the same
- Patent number 10,942,613
- Issue date Mar 9, 2021
- Alps Alpine Co., Ltd.
- Tatsumi Fujiyoshi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Capacitance detection device for detecting capacitance between obje...
- Patent number 10,817,114
- Issue date Oct 27, 2020
- Alps Alpine Co., Ltd.
- Kiyoshi Sasai
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Sine-wave multiplier and input device including the same
- Patent number 10,511,290
- Issue date Dec 17, 2019
- Alps Alpine Co., Ltd.
- Akira Asao
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Sine wave multiplication device and input device having the same
- Patent number 10,331,409
- Issue date Jun 25, 2019
- Alps Alpine Co., Ltd.
- Tatsumi Fujiyoshi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Input device for detecting an electrostatic capacitance of an object
- Patent number 10,152,186
- Issue date Dec 11, 2018
- Alps Electric Co., Ltd.
- Tatsumi Fujiyoshi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Electrostatic capacitance detection circuit and input device
- Patent number 9,678,191
- Issue date Jun 13, 2017
- Alps Electric Co., Ltd.
- Tatsumi Fujiyoshi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Coordinate detecting device
- Patent number 8,653,836
- Issue date Feb 18, 2014
- Alps Electric Co., Ltd.
- Tatsumi Fujiyoshi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Image display method and apparatus
- Patent number 8,339,350
- Issue date Dec 25, 2012
- Edios Advanced Display, LLC
- Tatsumi Fujiyoshi
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Charge detecting circuit and fingerprint sensor using the same
- Patent number 7,570,789
- Issue date Aug 4, 2009
- Alps Electric Co., Ltd.
- Tatsumi Fujiyoshi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Shift register that suppresses operation failure due to transistor...
- Patent number 7,336,254
- Issue date Feb 26, 2008
- Alps Electric Co., Ltd.
- Chisato Iwasaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Capacitance detecting circuit and detecting method, and fingerprint...
- Patent number 7,102,364
- Issue date Sep 5, 2006
- Alps Electric Co., Ltd.
- Yuichi Umeda
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Image-signal driving circuit eliminating the need to change order o...
- Patent number 6,922,189
- Issue date Jul 26, 2005
- Alps Electric Co., Ltd.
- Tatsumi Fujiyoshi
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Display device requiring no scramble circuit
- Patent number 6,744,216
- Issue date Jun 1, 2004
- Alps Electric Co., Ltd.
- Junichi Saito
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Pixel resolution converting circuit and image display device using...
- Patent number 6,624,825
- Issue date Sep 23, 2003
- Alps Electric Co., Ltd.
- Tatsumi Fujiyoshi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Image display device and driver circuit therefor
- Patent number 6,593,939
- Issue date Jul 15, 2003
- Alps Electric Co., Ltd.
- Yukimitsu Yamada
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Drive method for liquid crystal display device and drive circuit
- Patent number 6,552,707
- Issue date Apr 22, 2003
- Alps Electric Co., Ltd.
- Tatsumi Fujiyoshi
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Image expansion display and driver
- Patent number 6,331,862
- Issue date Dec 18, 2001
- LG.Philips LCD Co., Ltd.
- Yukimitsu Yamada
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Color liquid crystal display unit
- Patent number 6,327,008
- Issue date Dec 4, 2001
- LG Philips Co. Ltd.
- Tatsumi Fujiyoshi
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Display device and its driving method
- Patent number 6,323,871
- Issue date Nov 27, 2001
- LG.Philips LCD Co., Ltd.
- Tatsumi Fujiyoshi
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Display apparatus and driving method therefor
- Patent number 6,211,854
- Issue date Apr 3, 2001
- Frontec Incorporated
- Tatsumi Fujiyoshi
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Method of driving display device
- Patent number 6,184,853
- Issue date Feb 6, 2001
- Alps Electric Co., Ltd.
- Hiroyuki Hebiguchi
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Patents Applicationslast 30 patents

Information Patent Application
PROXIMITY DETECTION DEVICE
- Publication number 20240028165
- Publication date Jan 25, 2024
- ALPS ALPINE CO., LTD.
- Hiroshi SHIGETAKA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
CAPACITIVE SENSOR
- Publication number 20240011801
- Publication date Jan 11, 2024
- ALPS ALPINE CO., LTD.
- Tatsumi FUJIYOSHI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
CAPACITANCE DETECTION DEVICE AND CAPACITANCE DETECTION METHOD
- Publication number 20230175870
- Publication date Jun 8, 2023
- ALPS ALPINE CO., LTD.
- Tatsumi FUJIYOSHI
- G01 - MEASURING TESTING
Information Patent Application
CAPACITANCE DETECTION DEVICE AND CAPACITANCE DETECTION METHOD
- Publication number 20220244299
- Publication date Aug 4, 2022
- ALPS ALPINE CO., LTD.
- Tatsumi FUJIYOSHI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
DETECTION DEVICE
- Publication number 20210389842
- Publication date Dec 16, 2021
- ALPS ALPINE CO., LTD.
- Tatsumi FUJIYOSHI
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Application
PROXIMITY DETECTING DEVICE HAVING OBLIQUELY CROSSING DETECTION ELEC...
- Publication number 20210278929
- Publication date Sep 9, 2021
- ALPS ALPINE CO., LTD.
- Tatsumi FUJIYOSHI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
ELECTROSTATIC SENSOR
- Publication number 20200309570
- Publication date Oct 1, 2020
- ALPS ALPINE CO., LTD.
- Tatsumi FUJIYOSHI
- G01 - MEASURING TESTING
Information Patent Application
ELECTROSTATIC SENSOR AND DOOR HANDLE
- Publication number 20200225269
- Publication date Jul 16, 2020
- ALPS ALPINE CO., LTD.
- Tatsumi FUJIYOSHI
- B60 - VEHICLES IN GENERAL
Information Patent Application
INPUT DEVICE
- Publication number 20200225797
- Publication date Jul 16, 2020
- ALPS ALPINE CO., LTD.
- Tatsumi FUJIYOSHI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
OPERATION INPUT DEVICE AND DOOR HANDLE
- Publication number 20200207189
- Publication date Jul 2, 2020
- ALPS ALPINE CO., LTD.
- Tatsumi FUJIYOSHI
- B60 - VEHICLES IN GENERAL
Information Patent Application
INPUT DEVICE AND METHOD OF CONTROLLING THE SAME
- Publication number 20190384457
- Publication date Dec 19, 2019
- ALPS ALPINE CO., LTD.
- Tatsumi FUJIYOSHI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
CAPACITANCE DETECTION DEVICE AND INPUT DEVICE
- Publication number 20190294297
- Publication date Sep 26, 2019
- ALPS ALPINE CO., LTD.
- Kiyoshi SASAI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
INPUT DEVICE AND IMAGE DATA CALCULATION METHOD
- Publication number 20190146612
- Publication date May 16, 2019
- Alps Electric Co., Ltd.
- Tomoki YAMADA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SINE-WAVE MULTIPLIER AND INPUT DEVICE INCLUDING THE SAME
- Publication number 20180234085
- Publication date Aug 16, 2018
- Alps Electric Co., Ltd.
- Akira ASAO
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SINE WAVE MULTIPLICATION DEVICE AND INPUT DEVICE HAVING THE SAME
- Publication number 20180012045
- Publication date Jan 11, 2018
- Alps Electric Co., Ltd.
- Tatsumi FUJIYOSHI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
INPUT DEVICE
- Publication number 20170199598
- Publication date Jul 13, 2017
- Alps Electric Co., Ltd.
- Tatsumi FUJIYOSHI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
ELECTROSTATIC CAPACITANCE DETECTION CIRCUIT AND INPUT DEVICE
- Publication number 20140035601
- Publication date Feb 6, 2014
- Tatsumi Fujiyoshi
- G01 - MEASURING TESTING
Information Patent Application
COORDINATE DETECTING DEVICE
- Publication number 20120256644
- Publication date Oct 11, 2012
- Tatsumi FUJIYOSHI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
IMAGE DISPLAY METHOD AND APPARATUS
- Publication number 20090195493
- Publication date Aug 6, 2009
- Tatsumi Fujiyoshi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Charge detecting circuit and fingerprint sensor using the same
- Publication number 20050226478
- Publication date Oct 13, 2005
- Alps Electric Co., Ltd.
- Tatsumi Fujiyoshi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Shift register that suppresses operation failure due to transistor...
- Publication number 20050212746
- Publication date Sep 29, 2005
- Alps Electric Co., Ltd.
- Chisato Iwasaki
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Load capacity driving circuit and liquid crystal driving circuit
- Publication number 20050190139
- Publication date Sep 1, 2005
- Alps Electric Co., Ltd.
- Tatsumi Fujiyoshi
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Capacitance detecting circuit and detecting method, and fingerprint...
- Publication number 20050122785
- Publication date Jun 9, 2005
- Alps Electric Co., Ltd.
- Yuichi Umeda
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Driving circuit for driving capacitive element with reduced power l...
- Publication number 20040095306
- Publication date May 20, 2004
- Alps Electric Co., Ltd.
- Tatsumi Fujiyoshi
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Source-follower circuit having low-loss output statge portion and d...
- Publication number 20040085115
- Publication date May 6, 2004
- Alps Electric Co., Ltd.
- Tatsumi Fujiyoshi
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Display device requiring no scramble circuit
- Publication number 20030057857
- Publication date Mar 27, 2003
- Alps Electric Co., Ltd.
- Junichi Saito
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Image-signal driving circuit eliminating the need to change order o...
- Publication number 20030006978
- Publication date Jan 9, 2003
- Tatsumi Fujiyoshi
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Image display device and driver circuit therefor
- Publication number 20020012006
- Publication date Jan 31, 2002
- Alps Electric Co., Ltd.
- Yukimitsu Yamada
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
DISPLAY DEVICE AND ITS DRIVING METHOD
- Publication number 20010050688
- Publication date Dec 13, 2001
- TATSUMI FUJIYOSHI
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Tatsumi Fujiyoshi

Person

Patents Grantslast 30 patents

Capacitance detection device and capacitance detection method

Capacitance detection device and capacitance detection method

Detection device

Operation input device and door handle

Proximity detecting device having obliquely crossing detection elec...

Electrostatic sensor and door handle

Input device

Electrostatic sensor

Input device and image data calculation method

Input device and method of controlling the same

Capacitance detection device for detecting capacitance between obje...

Sine-wave multiplier and input device including the same

Sine wave multiplication device and input device having the same

Input device for detecting an electrostatic capacitance of an object

Electrostatic capacitance detection circuit and input device

Coordinate detecting device

Image display method and apparatus

Charge detecting circuit and fingerprint sensor using the same

Shift register that suppresses operation failure due to transistor...

Capacitance detecting circuit and detecting method, and fingerprint...

Image-signal driving circuit eliminating the need to change order o...

Display device requiring no scramble circuit

Pixel resolution converting circuit and image display device using...

Image display device and driver circuit therefor

Drive method for liquid crystal display device and drive circuit

Image expansion display and driver

Color liquid crystal display unit

Display device and its driving method

Display apparatus and driving method therefor

Method of driving display device

Patents Applicationslast 30 patents

PROXIMITY DETECTION DEVICE

CAPACITIVE SENSOR

CAPACITANCE DETECTION DEVICE AND CAPACITANCE DETECTION METHOD

CAPACITANCE DETECTION DEVICE AND CAPACITANCE DETECTION METHOD

DETECTION DEVICE

PROXIMITY DETECTING DEVICE HAVING OBLIQUELY CROSSING DETECTION ELEC...

ELECTROSTATIC SENSOR

ELECTROSTATIC SENSOR AND DOOR HANDLE

INPUT DEVICE

OPERATION INPUT DEVICE AND DOOR HANDLE

INPUT DEVICE AND METHOD OF CONTROLLING THE SAME

CAPACITANCE DETECTION DEVICE AND INPUT DEVICE

INPUT DEVICE AND IMAGE DATA CALCULATION METHOD

SINE-WAVE MULTIPLIER AND INPUT DEVICE INCLUDING THE SAME

SINE WAVE MULTIPLICATION DEVICE AND INPUT DEVICE HAVING THE SAME

INPUT DEVICE

ELECTROSTATIC CAPACITANCE DETECTION CIRCUIT AND INPUT DEVICE

COORDINATE DETECTING DEVICE

IMAGE DISPLAY METHOD AND APPARATUS

Charge detecting circuit and fingerprint sensor using the same

Shift register that suppresses operation failure due to transistor...

Load capacity driving circuit and liquid crystal driving circuit

Capacitance detecting circuit and detecting method, and fingerprint...

Driving circuit for driving capacitive element with reduced power l...

Source-follower circuit having low-loss output statge portion and d...

Display device requiring no scramble circuit

Image-signal driving circuit eliminating the need to change order o...

Image display device and driver circuit therefor

DISPLAY DEVICE AND ITS DRIVING METHOD