Hisashi OGAWA

Person

Yokohama-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Q switch resonator, and pulse generator
- Patent number 12,003,072
- Issue date Jun 4, 2024
- Nichia Corporation
- Masayuki Katsuragawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
External-cavity semiconductor laser
- Patent number 11,456,574
- Issue date Sep 27, 2022
- Nichia Corporation
- Tetsushi Takano
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Laser device
- Patent number 11,435,646
- Issue date Sep 6, 2022
- Nichia Corporation
- Hisashi Ogawa
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
SEMICONDUCTOR LASER ELEMENT
- Publication number 20250210940
- Publication date Jun 26, 2025
- Nichia Corporation.
- Ryohei HIROSE
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR LASER ELEMENT
- Publication number 20250118947
- Publication date Apr 10, 2025
- Nichia Corporation.
- Ryohei HIROSE
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OPTICAL CIRCUIT, OPTICAL SENSOR, AND MOBILE BODY USING THE OPTICAL...
- Publication number 20250035842
- Publication date Jan 30, 2025
- NICHIA CORPORATION
- Masanori OKADA
- G02 - OPTICS
Information Patent Application
TRANSVERSE MULTIMODE SEMICONDUCTOR LASER ELEMENT
- Publication number 20240364078
- Publication date Oct 31, 2024
- Nichia Corporation.
- Hisashi OGAWA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
WAVELENGTH BEAM COMBINING DEVICE
- Publication number 20240213745
- Publication date Jun 27, 2024
- Nichia Corporation.
- Hidenori MATSUO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR LASER ELEMENT
- Publication number 20240047943
- Publication date Feb 8, 2024
- Nichia Corporation.
- Hisashi OGAWA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
VERTICAL EXTERNAL-CAVITY SURFACE-EMITTING LASER
- Publication number 20220271500
- Publication date Aug 25, 2022
- Nichia Corporation.
- Tetsushi TAKANO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Q SWITCH RESONATOR, AND PULSE GENERATOR
- Publication number 20220255283
- Publication date Aug 11, 2022
- NICHIA CORPORATION
- Masayuki KATSURAGAWA
- G02 - OPTICS
Information Patent Application
LASER DEVICE
- Publication number 20220121083
- Publication date Apr 21, 2022
- Nichia Corporation.
- Hisashi OGAWA
- G02 - OPTICS
Information Patent Application
EXTERNAL-CAVITY SEMICONDUCTOR LASER
- Publication number 20200335941
- Publication date Oct 22, 2020
- Nichia Corporation.
- Tetsushi TAKANO
- H01 - BASIC ELECTRIC ELEMENTS

Hisashi OGAWA

Person

Patents Grantslast 30 patents

Q switch resonator, and pulse generator

External-cavity semiconductor laser

Laser device

Patents Applicationslast 30 patents

SEMICONDUCTOR LASER ELEMENT

SEMICONDUCTOR LASER ELEMENT

OPTICAL CIRCUIT, OPTICAL SENSOR, AND MOBILE BODY USING THE OPTICAL...

TRANSVERSE MULTIMODE SEMICONDUCTOR LASER ELEMENT

WAVELENGTH BEAM COMBINING DEVICE

SEMICONDUCTOR LASER ELEMENT

VERTICAL EXTERNAL-CAVITY SURFACE-EMITTING LASER

Q SWITCH RESONATOR, AND PULSE GENERATOR

LASER DEVICE

EXTERNAL-CAVITY SEMICONDUCTOR LASER