Hiroki Nakagawa

Person

Ibaraki-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Straight tube LED lamp, lamp socket set, and lighting fixture
- Patent number 9,706,608
- Issue date Jul 11, 2017
- Panasonic Corporation
- Satoshi Fukano
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Power source unit for LED lamps, and LED lamp system
- Patent number 9,066,407
- Issue date Jun 23, 2015
- Toshiba Lighting & Technology Corporation
- Hiroshi Terasaka
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
LED light source lamp having drive circuit arranged in outer periph...
- Patent number 8,710,724
- Issue date Apr 29, 2014
- Panasonic Corporation
- Hiroki Nakagawa
- F21 - LIGHTING
Information Patent Grant
LED light source lamp having drive circuit arranged in outer periph...
- Patent number 8,604,679
- Issue date Dec 10, 2013
- Panasonic Corporation
- Hiroki Nakagawa
- F21 - LIGHTING
Information Patent Grant
LED lighting device
- Patent number 8,575,857
- Issue date Nov 5, 2013
- Panasonic Corporation
- Hiroyuki Sako
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Lamp socket
- Patent number D651972
- Issue date Jan 10, 2012
- Panasonic Electric Works Co., Ltd.
- Satoshi Fukano
- D13 - Equipment for production, distribution, or transformation of energy
Information Patent Grant
Lamp socket
- Patent number D651973
- Issue date Jan 10, 2012
- Panasonic Electric Works Co., Ltd.
- Satoshi Fukano
- D13 - Equipment for production, distribution, or transformation of energy
Information Patent Grant
LED lamp
- Patent number D645589
- Issue date Sep 20, 2011
- Panasonic Electric Works Co., Ltd.
- Satoshi Fukano
- D26 - Lighting
Information Patent Grant
Fluorescent-lamp driving apparatus adopting high-frequency inverter...
- Patent number 7,042,168
- Issue date May 9, 2006
- Matsushita Electric Industrial Co., Ltd.
- Hiroki Kitagawa
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Compact self-ballasted fluorescent lamp resistant to heat deformation
- Patent number 6,984,926
- Issue date Jan 10, 2006
- Matsushita Electric Industrial Co., Ltd.
- Yuji Tsuneto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Bulb-shaped fluorescent lamp
- Patent number 6,600,272
- Issue date Jul 29, 2003
- Matsushita Electric Industrial Co., Ltd.
- Nobuyuki Matsui
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Light bulb type fluorescent lamp lighting apparatus
- Patent number 6,552,497
- Issue date Apr 22, 2003
- Matsushita Electric Industrial Co., Ltd.
- Hiroki Nakagawa
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Fluorescent lamp lighting apparatus
- Patent number 6,469,447
- Issue date Oct 22, 2002
- Matsushita Electric Industrial Co., Ltd.
- Hiroki Nakagawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Self-ballasted fluorescent lamp
- Patent number 6,225,742
- Issue date May 1, 2001
- Matsushita Electronics Corporation
- Shiro Iida
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Fluorescent lamp lighting apparatus
- Patent number 5,880,562
- Issue date Mar 9, 1999
- Matsushita Electric Industrial Co., Ltd.
- Hiroki Nakagawa
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
LED LIGHT SOURCE LAMP HAVING DRIVE CIRCUIT ARRANGED IN OUTER PERIPH...
- Publication number 20140071690
- Publication date Mar 13, 2014
- PANASONIC CORPORATION
- Hiroki Nakagawa
- F21 - LIGHTING
Information Patent Application
STRAIGHT TUBE LED LAMP, LAMP SOCKET SET, AND LIGHTING FIXTURE
- Publication number 20130119896
- Publication date May 16, 2013
- TOSHIBA LIGHTING & TECHNOLOGY CORPORATION
- Satoshi Fukano
- F21 - LIGHTING
Information Patent Application
LED LIGHT SOURCE LAMP
- Publication number 20120319555
- Publication date Dec 20, 2012
- PANASONIC CORPORATION
- Hiroki Nakagawa
- F21 - LIGHTING
Information Patent Application
LAMP DESIGNED TO USE SOLID-STATE LIGHT EMITTING DEVICE AS LIGHT SOURCE
- Publication number 20120063129
- Publication date Mar 15, 2012
- Hiroki Nakagawa
- F21 - LIGHTING
Information Patent Application
POWER SOURCE UNIT FOR LED LAMPS, AND LED LAMP SYSTEM
- Publication number 20120019166
- Publication date Jan 26, 2012
- Toshiba Lighting & Technology Corporation
- Hiroshi Terasaka
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
LED LIGHTING DEVICE
- Publication number 20110316442
- Publication date Dec 29, 2011
- Hiroyuki Sako
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
LED LAMP SYSTEM
- Publication number 20110316445
- Publication date Dec 29, 2011
- Toshiba Lighting & Technology Corporation
- Hiroshi TERASAKA
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Compact self-ballasted fluorescent lamp resistant to heat deformation
- Publication number 20050023947
- Publication date Feb 3, 2005
- Yuji Tsuneto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Fluorescent-lamp driving apparatus adopting high-frequency inverter...
- Publication number 20040245939
- Publication date Dec 9, 2004
- Hiroki Kitagawa
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Bulb-shaped fluorescent lamp
- Publication number 20020047612
- Publication date Apr 25, 2002
- MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
- Nobuyuki Matsui
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Light bulb type fluorescent lamp lighting apparatus
- Publication number 20020030452
- Publication date Mar 14, 2002
- Hiroki Nakagawa
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Fluorescent lamp lighting apparatus
- Publication number 20020011791
- Publication date Jan 31, 2002
- Hiroki Nakagawa
- H01 - BASIC ELECTRIC ELEMENTS

Hiroki Nakagawa

Person

Patents Grantslast 30 patents

Straight tube LED lamp, lamp socket set, and lighting fixture

Power source unit for LED lamps, and LED lamp system

LED light source lamp having drive circuit arranged in outer periph...

LED light source lamp having drive circuit arranged in outer periph...

LED lighting device

Lamp socket

Lamp socket

LED lamp

Fluorescent-lamp driving apparatus adopting high-frequency inverter...

Compact self-ballasted fluorescent lamp resistant to heat deformation

Bulb-shaped fluorescent lamp

Light bulb type fluorescent lamp lighting apparatus

Fluorescent lamp lighting apparatus

Self-ballasted fluorescent lamp

Fluorescent lamp lighting apparatus

Patents Applicationslast 30 patents

LED LIGHT SOURCE LAMP HAVING DRIVE CIRCUIT ARRANGED IN OUTER PERIPH...

STRAIGHT TUBE LED LAMP, LAMP SOCKET SET, AND LIGHTING FIXTURE

LED LIGHT SOURCE LAMP

LAMP DESIGNED TO USE SOLID-STATE LIGHT EMITTING DEVICE AS LIGHT SOURCE

POWER SOURCE UNIT FOR LED LAMPS, AND LED LAMP SYSTEM

LED LIGHTING DEVICE

LED LAMP SYSTEM

Compact self-ballasted fluorescent lamp resistant to heat deformation

Fluorescent-lamp driving apparatus adopting high-frequency inverter...

Bulb-shaped fluorescent lamp

Light bulb type fluorescent lamp lighting apparatus

Fluorescent lamp lighting apparatus