Toyohiko Kumada

Person

Hyogo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Fused joint structure in a lamp tube and forming method therefor
- Patent number 8,354,792
- Issue date Jan 15, 2013
- Ushio Denki Kabushiki Kaisha
- Nobuhiro Nagamachi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Short arc type discharge lamp
- Patent number 8,350,476
- Issue date Jan 8, 2013
- Ushio Denki Kabushiki Kaisha
- Hirohisa Ishikawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
High pressure discharge lamp
- Patent number 8,217,576
- Issue date Jul 10, 2012
- Ushio Denki Kabushiki Kaisha
- Hirohisa Ishikawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Extra high pressure mercury lamp with each electrode held by a seal...
- Patent number 8,072,145
- Issue date Dec 6, 2011
- Ushio Denki Kabushiki Kaisha
- Shuki Kasaishi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Short arc type discharge lamp
- Patent number 7,999,475
- Issue date Aug 16, 2011
- Ushio Denki Kabushiki Kaisha
- Hirohisa Ishikawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
High pressure discharge lamp
- Patent number 7,898,180
- Issue date Mar 1, 2011
- Ushiodenki Kabushiki Kaisha
- Toyohiko Kumada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Discharge lamp and metal foil for a discharge lamp
- Patent number 7,656,093
- Issue date Feb 2, 2010
- Ushiodenki Kabushiki Kaisha
- Toyohiko Kumada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Short arc ultra-high pressure discharge lamp
- Patent number 6,940,217
- Issue date Sep 6, 2005
- Ushiodenki Kabushiki Kaisha
- Masanobu Komiya
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Short-arc, ultra-high-pressure discharge lamp and method of manufac...
- Patent number 6,923,700
- Issue date Aug 2, 2005
- Ushiodenki Kabushiki Kaisha
- Yoshitaka Kanzaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Short-arc, ultra-high pressure discharge lamp
- Patent number 6,911,775
- Issue date Jun 28, 2005
- Ushiodenki Kabushiki Kaisha
- Yoshitaka Kanzaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Super-high pressure discharge lamp of the short arc type
- Patent number 6,861,806
- Issue date Mar 1, 2005
- Ushiodenki Kabushiki Kaisha
- Toyohiko Kumada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Lamp seal using functionally gradient material
- Patent number 6,787,996
- Issue date Sep 7, 2004
- Ushiodenki Kabushiki Kaisha
- Katsuya Saito
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Super-high pressure discharge lamp of the short arc type
- Patent number 6,762,557
- Issue date Jul 13, 2004
- Ushiodenki Kabushiki Kaisha
- Yoshitaka Kanzaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Super-high pressure discharge lamp of the short arc type
- Patent number 6,713,957
- Issue date Mar 30, 2004
- Ushiodenki Kabushiki Kaisha
- Yoshitaka Kanzaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electricity lead-in body for bulb and method for manufacturing the...
- Patent number 6,375,533
- Issue date Apr 23, 2002
- Ushiodenki Kabushiki Kaisha
- Tetuya Torikai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Low pressure discharge lamp having electrodes with a lithium-contai...
- Patent number 5,962,977
- Issue date Oct 5, 1999
- Ushiodenki Kabushiki Kaisha
- Keiichi Matsumoto
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
HIGH PRESSURE DISCHARGE LAMP
- Publication number 20100201265
- Publication date Aug 12, 2010
- Ushio Denki Kabushiki Kaisha
- Hirohisa ISHIKAWA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Extra high pressure mercury lamp
- Publication number 20100187993
- Publication date Jul 29, 2010
- Ushio Denki Kabushiki Kaisha
- Shuki Kasahishi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
High pressure discharge lamp
- Publication number 20100176707
- Publication date Jul 15, 2010
- Ushiodenki Kabushiki Kaisha
- Toyohiko Kumada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Short arc type discharge lamp
- Publication number 20100156293
- Publication date Jun 24, 2010
- Ushio Denki Kabushiki Kaisha
- Hirohisa Ishikawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SHORT ARC TYPE DISCHARGE LAMP
- Publication number 20100079048
- Publication date Apr 1, 2010
- Ushio Denki Kabushiki Kaisha
- Hirohisa ISHIKAWA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Short arc type high-pressure discharge lamp
- Publication number 20090195158
- Publication date Aug 6, 2009
- Ushio Denki Kabushiki Kaisha
- Nobuhiro Nagamachi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Fused joint structure in a lamp tube and forming method therefor
- Publication number 20090121635
- Publication date May 14, 2009
- Ushio Denki Kabushiki Kaisha
- Nobuhiro Nagamachi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
DISCHARGE LAMP AND METAL FOIL FOR A DISCHARGE LAMP
- Publication number 20070285014
- Publication date Dec 13, 2007
- Ushiodenki Kabushiki Kaisha
- Toyohiko KUMADA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Short-arc, ultra-high-pressure discharge lamp and method of manufac...
- Publication number 20040102129
- Publication date May 27, 2004
- Ushiodenki Kabushiki Kaisha
- Yoshitaka Kanzaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Short-arc, ultra-high pressure discharge lamp
- Publication number 20030107320
- Publication date Jun 12, 2003
- Ushiodenki Kabushiki Kaisha
- Yoshitaka Kanzaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Short arc ultra-high pressure discharge lamp
- Publication number 20030102806
- Publication date Jun 5, 2003
- Ushiodenki Kabushiki Kaisha
- Masanobu Komiya
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Super-high pressure discharge lamp of the short arc type
- Publication number 20030076040
- Publication date Apr 24, 2003
- Ushiodenki Kabushiki Kaisha
- Toyohiko Kumada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Super-high pressure discharge lamp of the short arc type
- Publication number 20030048076
- Publication date Mar 13, 2003
- Yoshitaka Kanzaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Super-high pressure discharge lamp of the short arc type
- Publication number 20020190654
- Publication date Dec 19, 2002
- Ushiodenki Kabushiki Kaisha
- Yoshitaka Kanzaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Short-arc, ultra-high-pressure discharge lamp and method of manufac...
- Publication number 20020031975
- Publication date Mar 14, 2002
- Yoshitaka Kanzaki
- H01 - BASIC ELECTRIC ELEMENTS

Toyohiko Kumada

Person

Patents Grantslast 30 patents

Fused joint structure in a lamp tube and forming method therefor

Short arc type discharge lamp

High pressure discharge lamp

Extra high pressure mercury lamp with each electrode held by a seal...

Short arc type discharge lamp

High pressure discharge lamp

Discharge lamp and metal foil for a discharge lamp

Short arc ultra-high pressure discharge lamp

Short-arc, ultra-high-pressure discharge lamp and method of manufac...

Short-arc, ultra-high pressure discharge lamp

Super-high pressure discharge lamp of the short arc type

Lamp seal using functionally gradient material

Super-high pressure discharge lamp of the short arc type

Super-high pressure discharge lamp of the short arc type

Electricity lead-in body for bulb and method for manufacturing the...

Low pressure discharge lamp having electrodes with a lithium-contai...

Patents Applicationslast 30 patents

HIGH PRESSURE DISCHARGE LAMP

Extra high pressure mercury lamp

High pressure discharge lamp

Short arc type discharge lamp

SHORT ARC TYPE DISCHARGE LAMP

Short arc type high-pressure discharge lamp

Fused joint structure in a lamp tube and forming method therefor

DISCHARGE LAMP AND METAL FOIL FOR A DISCHARGE LAMP

Short-arc, ultra-high-pressure discharge lamp and method of manufac...

Short-arc, ultra-high pressure discharge lamp

Short arc ultra-high pressure discharge lamp

Super-high pressure discharge lamp of the short arc type

Super-high pressure discharge lamp of the short arc type

Super-high pressure discharge lamp of the short arc type

Short-arc, ultra-high-pressure discharge lamp and method of manufac...