Hirofumi Okumura

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Magnetic sensor, method of manufacturing magnetic sensor, and metho...
- Patent number 9,915,710
- Issue date Mar 13, 2018
- Alps Electric Co., Ltd.
- Fumihito Koike
- G11 - INFORMATION STORAGE
Information Patent Grant
Member position detection apparatus not affected by external magnet...
- Patent number 7,521,924
- Issue date Apr 21, 2009
- Alps Electric Co., Ltd.
- Hirofumi Okumura
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Rotation angle detecting device
- Patent number 7,064,537
- Issue date Jun 20, 2006
- Alps Electric Co., Ltd.
- Yoshihiro Sudo
- G01 - MEASURING TESTING
Information Patent Grant
Rotation detecting device
- Patent number 7,045,998
- Issue date May 16, 2006
- Alps Electric Co., Ltd.
- Hirofumi Okumura
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Grant
Magnetic switch capable of instantaneous switching of an output sig...
- Patent number 6,900,713
- Issue date May 31, 2005
- Alps Electric Co., Ltd.
- Masao Kasashima
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Rotary position sensor having waterproof, explosion-protective stru...
- Patent number 6,809,513
- Issue date Oct 26, 2004
- Alps Electric Co., Ltd.
- Kyuichiro Terui
- G01 - MEASURING TESTING
Information Patent Grant
Magnetic switch capable of performing normal detection for a long p...
- Patent number 6,784,774
- Issue date Aug 31, 2004
- Alps Electric Co., Ltd.
- Hirofumi Okumura
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Rotation-angle detecting device capable of detecting absolute angle...
- Patent number 6,720,762
- Issue date Apr 13, 2004
- Alps Electric Co., Ltd.
- Hirofumi Okumura
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Grant
Rotation-angle detecting device capable of precisely detecting abso...
- Patent number 6,687,647
- Issue date Feb 3, 2004
- Alps Electric Co., Ltd.
- Hirofumi Okumura
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Grant
Rotary encoder having code member rotating along accurate circle as...
- Patent number 6,603,305
- Issue date Aug 5, 2003
- Alps Electric Co., Ltd.
- Hideki Uchiyama
- G01 - MEASURING TESTING
Information Patent Grant
Apparatus for detecting rotational angle by employing two or more d...
- Patent number 6,539,329
- Issue date Mar 25, 2003
- Alps Electric Co., Ltd.
- Hironori Kato
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Grant
Linear operation type electric part
- Patent number 6,507,270
- Issue date Jan 14, 2003
- Alps Electric Co., Ltd.
- Hirofumi Okumura
- G01 - MEASURING TESTING
Information Patent Grant
Magnetic displacement detecting device having linear changing magne...
- Patent number 6,496,003
- Issue date Dec 17, 2002
- Hirofumi Okumura
- G01 - MEASURING TESTING
Information Patent Grant
Input device having deflection detecting elements
- Patent number 6,484,119
- Issue date Nov 19, 2002
- Alps Electric Co., Ltd.
- Kazuo Kaneo
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Rotary sensor capable of high-precision detection of rotation angle...
- Patent number 6,474,146
- Issue date Nov 5, 2002
- Alps Electric Co., Ltd.
- Hirofumi Okumura
- G01 - MEASURING TESTING
Information Patent Grant
Device for detecting the rotational angle of a rotary member
- Patent number 6,456,065
- Issue date Sep 24, 2002
- Alps Electric Co., Ltd.
- Toshiyuki Hoshi
- G01 - MEASURING TESTING
Information Patent Grant
Rotary sensor capable of detecting rotation angle of shaft to be de...
- Patent number 6,445,278
- Issue date Sep 3, 2002
- Alps Electric Co., Ltd.
- Hirofumi Okumura
- G01 - MEASURING TESTING
Information Patent Grant
ROTATION ANGLE DETECTION APPARATUS FOR CALCULATING A ROTATION ANGLE...
- Patent number 6,424,147
- Issue date Jul 23, 2002
- Alps Electric Co., Ltd.
- Hironori Kato
- G01 - MEASURING TESTING
Information Patent Grant
Angle sensor which makes it possible to prevent rattling caused by...
- Patent number 6,396,386
- Issue date May 28, 2002
- Alps Electric Co., Ltd.
- Hirofumi Okumura
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Rotary sensor capable of high-precision detection of rotation angle...
- Patent number 6,386,020
- Issue date May 14, 2002
- Alps Electric Co., Ltd.
- Hirofumi Okumura
- G01 - MEASURING TESTING
Information Patent Grant
Connector and turning angle sensor using same
- Patent number 6,359,432
- Issue date Mar 19, 2002
- Alps Electric Co., Ltd.
- Hirofumi Okumura
- G01 - MEASURING TESTING
Information Patent Grant
Rotation angle sensor and torque sensor
- Patent number 6,341,426
- Issue date Jan 29, 2002
- Alps Electric Co., Ltd.
- Hirofumi Okumura
- G01 - MEASURING TESTING
Information Patent Grant
Rotation sensor for generating electric signals corresponding to tu...
- Patent number 6,246,232
- Issue date Jun 12, 2001
- Alps Electric Co., Ltd.
- Hirofumi Okumura
- G01 - MEASURING TESTING
Information Patent Grant
Variable resistor device with reduced slider vibration
- Patent number 5,345,215
- Issue date Sep 6, 1994
- Alps Electric Co., Ltd.
- Hirofumi Okumura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for manufacturing slide electrical contact
- Patent number 5,315,758
- Issue date May 31, 1994
- Alps Electric Co., Ltd.
- Yasuichi Ono
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
MAGNETIC SENSOR
- Publication number 20160341802
- Publication date Nov 24, 2016
- Alps Electric Co., Ltd.
- Fumihito KOIKE
- G01 - MEASURING TESTING
Information Patent Application
MAGNETIC SENSOR, METHOD OF MANUFACTURING MAGNETIC SENSOR, AND METHO...
- Publication number 20160313411
- Publication date Oct 27, 2016
- Alps Electric Co., Ltd.
- Fumihito KOIKE
- G01 - MEASURING TESTING
Information Patent Application
ANGULAR SPEED DETECTION APPARATUS AND METHOD FOR DETECTING ANGULAR...
- Publication number 20120191406
- Publication date Jul 26, 2012
- ALPS ELECTRIC CO., LTD.
- Hirofumi OKUMURA
- G01 - MEASURING TESTING
Information Patent Application
Member position detection apparatus not affected by external magnet...
- Publication number 20040196029
- Publication date Oct 7, 2004
- Alps Electric Co., Ltd.
- Hirofumi Okumura
- B60 - VEHICLES IN GENERAL
Information Patent Application
MAGNETIC SWITCH CAPABLE OF PERFORMING NORMAL DETECTION FOR A LONG P...
- Publication number 20040164826
- Publication date Aug 26, 2004
- Alps Electric Co., Ltd.
- Hirofumi Okumura
- B60 - VEHICLES IN GENERAL
Information Patent Application
Rotation angle detectig device
- Publication number 20040066186
- Publication date Apr 8, 2004
- Alps Electric Co., Ltd.
- Yoshihiro Sudo
- G01 - MEASURING TESTING
Information Patent Application
Rotary sensor with high reliability in contact between terminals an...
- Publication number 20030227369
- Publication date Dec 11, 2003
- Alps Electric Co., Ltd.
- Kyuichiro Terui
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Rotation detecting device
- Publication number 20030214284
- Publication date Nov 20, 2003
- Alps Electric Co., Ltd.
- Hirofumi Okumura
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Application
Rotary position sensor having waterproof, explosion-protective stru...
- Publication number 20030173954
- Publication date Sep 18, 2003
- Alps Electric Co., Ltd.
- Kyuichiro Terui
- G01 - MEASURING TESTING
Information Patent Application
Rotary sensor of simple construction for detecting angle of rotatio...
- Publication number 20030167858
- Publication date Sep 11, 2003
- Alps Electric Co., Ltd.
- Kyuichiro Terui
- G01 - MEASURING TESTING
Information Patent Application
Rotation-angle detecting device capable of detecting absolute angle...
- Publication number 20030169034
- Publication date Sep 11, 2003
- Alps Electric Co., Ltd.
- Hirofumi Okumura
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Application
Rotation-angle detecting device capable of precisely detecting abso...
- Publication number 20030171891
- Publication date Sep 11, 2003
- Alps Electric Co., Ltd.
- Hirofumi Okumura
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Application
Magnetic switch capable of instantaneous switching of an output sig...
- Publication number 20030030522
- Publication date Feb 13, 2003
- Alps Electric Co., Ltd.
- Masao Kasashima
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
ROTARY SENSOR CAPABLE OF HIGH-PRECISION DETECTION OF ROTATION ANGLE...
- Publication number 20020139179
- Publication date Oct 3, 2002
- HIROFUMI OKUMURA
- G01 - MEASURING TESTING
Information Patent Application
Rotary encoder having code member rotating along accurate circle as...
- Publication number 20020089300
- Publication date Jul 11, 2002
- Alps Electric Co., Ltd.
- Hideki Uchiyama
- G01 - MEASURING TESTING
Information Patent Application
ROTARY SENSOR CAPABLE OF DETECTING ROTATION ANGLE OF SHAFT TO BE DE...
- Publication number 20020056320
- Publication date May 16, 2002
- HIROFUMI OKUMURA
- G01 - MEASURING TESTING
Information Patent Application
Linear operation type electric part
- Publication number 20020014948
- Publication date Feb 7, 2002
- Alps Electric Co., Ltd.
- Hirofumi Okumura
- G01 - MEASURING TESTING
Information Patent Application
Apparatus for detecting rotational angle by employing two or more d...
- Publication number 20010020832
- Publication date Sep 13, 2001
- Alps Electric Co., Ltd.
- Hironori Kato
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Application
Rotational angle detecting device
- Publication number 20010004720
- Publication date Jun 21, 2001
- Alps Electric Co., Ltd.
- Toshiyuki Hoshi
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Application
Angle sensor which makes it possible to prevent rattling caused by...
- Publication number 20010003435
- Publication date Jun 14, 2001
- Alps Electric Co., Ltd.
- Hirofumi Okumura
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS

Hirofumi Okumura

Person

Patents Grantslast 30 patents

Magnetic sensor, method of manufacturing magnetic sensor, and metho...

Member position detection apparatus not affected by external magnet...

Rotation angle detecting device

Rotation detecting device

Magnetic switch capable of instantaneous switching of an output sig...

Rotary position sensor having waterproof, explosion-protective stru...

Magnetic switch capable of performing normal detection for a long p...

Rotation-angle detecting device capable of detecting absolute angle...

Rotation-angle detecting device capable of precisely detecting abso...

Rotary encoder having code member rotating along accurate circle as...

Apparatus for detecting rotational angle by employing two or more d...

Linear operation type electric part

Magnetic displacement detecting device having linear changing magne...

Input device having deflection detecting elements

Rotary sensor capable of high-precision detection of rotation angle...

Device for detecting the rotational angle of a rotary member

Rotary sensor capable of detecting rotation angle of shaft to be de...

ROTATION ANGLE DETECTION APPARATUS FOR CALCULATING A ROTATION ANGLE...

Angle sensor which makes it possible to prevent rattling caused by...

Rotary sensor capable of high-precision detection of rotation angle...

Connector and turning angle sensor using same

Rotation angle sensor and torque sensor

Rotation sensor for generating electric signals corresponding to tu...

Variable resistor device with reduced slider vibration

Method for manufacturing slide electrical contact

Patents Applicationslast 30 patents

MAGNETIC SENSOR

MAGNETIC SENSOR, METHOD OF MANUFACTURING MAGNETIC SENSOR, AND METHO...

ANGULAR SPEED DETECTION APPARATUS AND METHOD FOR DETECTING ANGULAR...

Member position detection apparatus not affected by external magnet...

MAGNETIC SWITCH CAPABLE OF PERFORMING NORMAL DETECTION FOR A LONG P...

Rotation angle detectig device

Rotary sensor with high reliability in contact between terminals an...

Rotation detecting device

Rotary position sensor having waterproof, explosion-protective stru...

Rotary sensor of simple construction for detecting angle of rotatio...

Rotation-angle detecting device capable of detecting absolute angle...

Rotation-angle detecting device capable of precisely detecting abso...

Magnetic switch capable of instantaneous switching of an output sig...

ROTARY SENSOR CAPABLE OF HIGH-PRECISION DETECTION OF ROTATION ANGLE...

Rotary encoder having code member rotating along accurate circle as...

ROTARY SENSOR CAPABLE OF DETECTING ROTATION ANGLE OF SHAFT TO BE DE...

Linear operation type electric part

Apparatus for detecting rotational angle by employing two or more d...

Rotational angle detecting device

Angle sensor which makes it possible to prevent rattling caused by...