Yasuhiro HIGASHI

Person

Miyagi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Laser beam generation apparatus, laser machining device, and laser...
- Patent number 10,811,834
- Issue date Oct 20, 2020
- Ricoh Company, Ltd.
- Shinsuke Shibata
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Pulsed electromagnetic-wave generator and measuring apparatus
- Patent number 10,714,888
- Issue date Jul 14, 2020
- Ricoh Company, Ltd.
- Toshiyuki Ikeoh
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Laser device, ignition device, and internal combustion engine
- Patent number 10,626,842
- Issue date Apr 21, 2020
- Ricoh Company, Ltd.
- Toshiyuki Ikeoh
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Terahertz wave generation apparatus and inspection apparatus
- Patent number 10,481,467
- Issue date Nov 19, 2019
- Ricoh Company, Ltd.
- Takumi Satoh
- G02 - OPTICS
Information Patent Grant
Laser device, ignition system, and internal combustion engine
- Patent number 9,935,420
- Issue date Apr 3, 2018
- Ricoh Company, Ltd.
- Kazuma Izumiya
- G02 - OPTICS
Information Patent Grant
Surface-emitting laser element, surface-emitting laser array, optic...
- Patent number 8,937,982
- Issue date Jan 20, 2015
- Ricoh Company, Ltd.
- Yasuhiro Higashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Wavelength conversion device, laser apparatus, image forming appara...
- Patent number 8,120,842
- Issue date Feb 21, 2012
- Ricoh Company, Ltd.
- Yasuhiro Higashi
- G02 - OPTICS
Information Patent Grant
Optical recording method and apparatus for an optical storage medium
- Patent number 7,061,847
- Issue date Jun 13, 2006
- Ricoh Company, Ltd.
- Noboru Sasa
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical recording medium
- Patent number 6,762,008
- Issue date Jul 13, 2004
- Ricoh Company, Ltd.
- Tsutomu Satoh
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical recording medium having short wobble period length
- Patent number 6,741,547
- Issue date May 25, 2004
- Ricoh Company, Ltd.
- Tatsuya Tomura
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical recording method and apparatus for an optical storage medium
- Patent number 6,628,595
- Issue date Sep 30, 2003
- Ricoh Company, Ltd.
- Noboru Sasa
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical recording medium and optical recording and reading method u...
- Patent number 6,558,768
- Issue date May 6, 2003
- Ricoh Company, Ltd.
- Soh Noguchi
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical recording medium and recording method using the same
- Patent number 6,225,022
- Issue date May 1, 2001
- Ricoh Company, Ltd.
- Tatsuya Tomura
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical recording medium
- Patent number 6,197,477
- Issue date Mar 6, 2001
- Ricoh Company, Ltd.
- Tsutomu Satoh
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical recording medium and recording and/or reproduction method u...
- Patent number 6,057,020
- Issue date May 2, 2000
- Ricoh Company, Ltd.
- Yasunobu Ueno
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical information recording medium
- Patent number 5,998,093
- Issue date Dec 7, 1999
- Ricoh Company, Ltd.
- Tatsuya Tomura
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Patents Applicationslast 30 patents

Information Patent Application
PULSED ELECTROMAGNETIC-WAVE GENERATOR AND MEASURING APPARATUS
- Publication number 20190280454
- Publication date Sep 12, 2019
- Toshiyuki IKEOH
- G02 - OPTICS
Information Patent Application
LASER DEVICE, IGNITION DEVICE, AND INTERNAL COMBUSTION ENGINE
- Publication number 20180347537
- Publication date Dec 6, 2018
- RICOH COMPANY, LTD.
- Toshiyuki IKEOH
- G02 - OPTICS
Information Patent Application
TERAHERTZ WAVE GENERATION APPARATUS AND INSPECTION APPARATUS
- Publication number 20180335682
- Publication date Nov 22, 2018
- RICOH COMPANY, LTD.
- Takumi SATOH
- G02 - OPTICS
Information Patent Application
LASER BEAM GENERATION APPARATUS, LASER MACHINING DEVICE, AND LASER...
- Publication number 20180323569
- Publication date Nov 8, 2018
- Shinsuke SHIBATA
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
LASER BEAM GENERATION APPARATUS, LASER MACHINING DEVICE, AND LASER...
- Publication number 20180323567
- Publication date Nov 8, 2018
- Yoshio WADA
- G02 - OPTICS
Information Patent Application
LASER DEVICE, IGNITION SYSTEM, AND INTERNAL COMBUSTION ENGINE
- Publication number 20160094006
- Publication date Mar 31, 2016
- Kentaroh HAGITA
- G02 - OPTICS
Information Patent Application
LASER DEVICE, IGNITION SYSTEM, AND INTERNAL COMBUSTION ENGINE
- Publication number 20160094009
- Publication date Mar 31, 2016
- Kazuma IZUMIYA
- G02 - OPTICS
Information Patent Application
LASER DEVICE, IGNITION SYSTEM, AND INTERNAL COMBUSTION ENGINE
- Publication number 20160094003
- Publication date Mar 31, 2016
- Masayuki NUMATA
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
SURFACE-EMITTING LASER ELEMENT, SURFACE-EMITTING LASER ARRAY, OPTIC...
- Publication number 20120086765
- Publication date Apr 12, 2012
- RICOH COMPANY, LTD.
- Yasuhiro Higashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
WAVELENGTH CONVERSION DEVICE, LASER APPARATUS, IMAGE FORMING APPARA...
- Publication number 20100073755
- Publication date Mar 25, 2010
- Yasuhiro Higashi
- G02 - OPTICS
Information Patent Application
Optical recording method and apparatus for an optical storage medium
- Publication number 20040027959
- Publication date Feb 12, 2004
- Noboru Sasa
- G11 - INFORMATION STORAGE
Information Patent Application
Optical recording medium
- Publication number 20030068576
- Publication date Apr 10, 2003
- Tsutomu Satoh
- G11 - INFORMATION STORAGE
Information Patent Application
Optical recording medium
- Publication number 20020048646
- Publication date Apr 25, 2002
- Ricoh Company, Ltd.
- Tatsuya Tomura
- B32 - LAYERED PRODUCTS
Information Patent Application
Optical recording medium and optical recording and reading method u...
- Publication number 20010044001
- Publication date Nov 22, 2001
- Soh Noguchi
- G11 - INFORMATION STORAGE

Yasuhiro HIGASHI

Person

Patents Grantslast 30 patents

Laser beam generation apparatus, laser machining device, and laser...

Pulsed electromagnetic-wave generator and measuring apparatus

Laser device, ignition device, and internal combustion engine

Terahertz wave generation apparatus and inspection apparatus

Laser device, ignition system, and internal combustion engine

Surface-emitting laser element, surface-emitting laser array, optic...

Wavelength conversion device, laser apparatus, image forming appara...

Optical recording method and apparatus for an optical storage medium

Optical recording medium

Optical recording medium having short wobble period length

Optical recording method and apparatus for an optical storage medium

Optical recording medium and optical recording and reading method u...

Optical recording medium and recording method using the same

Optical recording medium

Optical recording medium and recording and/or reproduction method u...

Optical information recording medium

Patents Applicationslast 30 patents

PULSED ELECTROMAGNETIC-WAVE GENERATOR AND MEASURING APPARATUS

LASER DEVICE, IGNITION DEVICE, AND INTERNAL COMBUSTION ENGINE

TERAHERTZ WAVE GENERATION APPARATUS AND INSPECTION APPARATUS

LASER BEAM GENERATION APPARATUS, LASER MACHINING DEVICE, AND LASER...

LASER BEAM GENERATION APPARATUS, LASER MACHINING DEVICE, AND LASER...

LASER DEVICE, IGNITION SYSTEM, AND INTERNAL COMBUSTION ENGINE

LASER DEVICE, IGNITION SYSTEM, AND INTERNAL COMBUSTION ENGINE

LASER DEVICE, IGNITION SYSTEM, AND INTERNAL COMBUSTION ENGINE

SURFACE-EMITTING LASER ELEMENT, SURFACE-EMITTING LASER ARRAY, OPTIC...

WAVELENGTH CONVERSION DEVICE, LASER APPARATUS, IMAGE FORMING APPARA...

Optical recording method and apparatus for an optical storage medium

Optical recording medium

Optical recording medium

Optical recording medium and optical recording and reading method u...