Koyo Hasegawa

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Radar monitoring device
- Patent number 8,457,814
- Issue date Jun 4, 2013
- Alpine Electronics, Inc.
- Koyo Hasegawa
- G01 - MEASURING TESTING
Information Patent Grant
Method for communication among mobile units and vehicular communica...
- Patent number 7,286,825
- Issue date Oct 23, 2007
- Alpine Electronics, Inc.
- Hiroshi Shishido
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for communicating information using a data tuner
- Patent number 5,946,605
- Issue date Aug 31, 1999
- Digital DJ
- Tsutomu Takahisa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Broadcast data system with multiple-tuner receiver
- Patent number 5,812,937
- Issue date Sep 22, 1998
- Digital DJ Inc.
- Tsutomu Takahisa
- G02 - OPTICS
Information Patent Grant
Image communication apparatus for communicating binary and multi-va...
- Patent number 5,717,506
- Issue date Feb 10, 1998
- Canon Kabushiki Kaisha
- Masakuni Yamamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Subcarrier injection system and method using adaptive level-shifted...
- Patent number 5,699,433
- Issue date Dec 16, 1997
- Digital DJ Inc.
- Philip Moore
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Information processing method and system
- Patent number 5,668,872
- Issue date Sep 16, 1997
- Canon Kabushiki Kaisha
- Hideki Morishima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Magnetic head driving device and magnetooptical recording apparatus
- Patent number 5,661,612
- Issue date Aug 26, 1997
- Canon Kabushiki Kaisha
- Koyo Hasegawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Broadcast system with associated data capabilities
- Patent number 5,577,266
- Issue date Nov 19, 1996
- Digital D.J. Inc.
- Tsutumo Takahisa
- G02 - OPTICS
Information Patent Grant
Magneto-optical recording method of erasing a portion of a first re...
- Patent number 5,555,236
- Issue date Sep 10, 1996
- Canon Kabushiki Kaisha
- Koyo Hasegawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic field generator in which an end face of a magnetic materia...
- Patent number 5,485,435
- Issue date Jan 16, 1996
- Canon Kabushiki Kaisha
- Toru Matsuda
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optical recording apparatus capable of both magnetic modula...
- Patent number 5,434,831
- Issue date Jul 18, 1995
- Canon Kabushiki Kaisha
- Kazuyoshi Ishii
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optical recording method using a magneto-optical recording...
- Patent number 5,428,586
- Issue date Jun 27, 1995
- Canon Kabushiki Kaisha
- Tadashi Kobayashi
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetooptical recording reproducing apparatus and method for deter...
- Patent number 5,398,227
- Issue date Mar 14, 1995
- Canon Kabushiki Kaisha
- Yasuyuki Miyaoka
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optic recording apparatus and method therefor
- Patent number 5,394,380
- Issue date Feb 28, 1995
- Canon Kabushiki Kaisha
- Koyo Hasegawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic field generating device
- Patent number 5,293,360
- Issue date Mar 8, 1994
- Canon Kabushiki Kaisha
- Koyo Hasegawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of recording information on a recording medium having at lea...
- Patent number 5,233,578
- Issue date Aug 3, 1993
- Canon Kabushiki Kaisha
- Masakuni Yamamoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical head device having a light splitter with a diffraction grat...
- Patent number 5,051,974
- Issue date Sep 24, 1991
- Canon Kabushiki Kaisha
- Naosato Taniguchi
- G02 - OPTICS
Information Patent Grant
Information recording carrier
- Patent number 4,912,311
- Issue date Mar 27, 1990
- Canon Kabushiki Kaisha
- Koyo Hasegawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Information reproducing apparatus for information recording medium...
- Patent number 4,896,025
- Issue date Jan 23, 1990
- Canon Kabushiki Kaisha
- Koyo Hasegawa
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
RADAR MONITORING DEVICE
- Publication number 20090299627
- Publication date Dec 3, 2009
- Alpine Electronics
- Koyo Hasegawa
- G01 - MEASURING TESTING
Information Patent Application
Method for communication among mobile units and vehicular communica...
- Publication number 20040116106
- Publication date Jun 17, 2004
- Hiroshi Shishido
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Koyo Hasegawa

Person

Patents Grantslast 30 patents

Radar monitoring device

Method for communication among mobile units and vehicular communica...

Method and apparatus for communicating information using a data tuner

Broadcast data system with multiple-tuner receiver

Image communication apparatus for communicating binary and multi-va...

Subcarrier injection system and method using adaptive level-shifted...

Information processing method and system

Magnetic head driving device and magnetooptical recording apparatus

Broadcast system with associated data capabilities

Magneto-optical recording method of erasing a portion of a first re...

Magnetic field generator in which an end face of a magnetic materia...

Magneto-optical recording apparatus capable of both magnetic modula...

Magneto-optical recording method using a magneto-optical recording...

Magnetooptical recording reproducing apparatus and method for deter...

Magneto-optic recording apparatus and method therefor

Magnetic field generating device

Method of recording information on a recording medium having at lea...

Optical head device having a light splitter with a diffraction grat...

Information recording carrier

Information reproducing apparatus for information recording medium...

Patents Applicationslast 30 patents

RADAR MONITORING DEVICE

Method for communication among mobile units and vehicular communica...