Koichi Umemoto

Person

Toyota, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Plasma-generating electrode device, an electrode-embedded article,...
- Patent number 6,197,246
- Issue date Mar 6, 2001
- NGK Insulators, Ltd.
- Yusuke Niori
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Plasma-generating electrode device, an electrode-embedded article,...
- Patent number 6,101,969
- Issue date Aug 15, 2000
- NGK Insulators, Ltd.
- Yusuke Niori
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Plasma-generating electrode device, an electrode-embedded article,...
- Patent number 5,800,618
- Issue date Sep 1, 1998
- NGK Insulators, Ltd.
- Yusuke Niori
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Aluminum nitride sintered body and its production method
- Patent number 5,767,027
- Issue date Jun 16, 1998
- NGK Insulators, Ltd.
- Atsushi Sakon
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Ceramic heaters and heating devices using such ceramic heaters
- Patent number 5,683,606
- Issue date Nov 4, 1997
- NGK Insulators, Ltd.
- Ryusuke Ushikoshi
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Apparatuses for heating semiconductor wafers, ceramic heaters and a...
- Patent number 5,616,024
- Issue date Apr 1, 1997
- NGK Insulators, Ltd.
- Kazuhiro Nobori
- C30 - CRYSTAL GROWTH
Information Patent Grant
Ceramic articles
- Patent number 5,573,690
- Issue date Nov 12, 1996
- NGK Insulators, Ltd.
- Kazuhiro Nobori
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Corrosion-resistant member for chemical apparatus using halogen ser...
- Patent number 5,306,895
- Issue date Apr 26, 1994
- NGK Insulators, Ltd.
- Ryusuke Ushikoshi
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Wafer heating apparatus and with ceramic substrate and dielectric l...
- Patent number 5,280,156
- Issue date Jan 18, 1994
- NGK Insulators, Ltd.
- Yusuke Niori
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Voltage non-linear type resistors
- Patent number 5,000,876
- Issue date Mar 19, 1991
- NGK Insulators, Ltd.
- Hiroshi Nemoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Highly densified voltage non-linear resistor and method of manufact...
- Patent number 4,940,960
- Issue date Jul 10, 1990
- NGK Insulators, Ltd.
- Hiroshi Nemoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Voltage non-linear resistor and method of producing the same
- Patent number 4,933,659
- Issue date Jun 12, 1990
- NGK Insulators, Ltd.
- Osamu Imai
- H01 - BASIC ELECTRIC ELEMENTS

Koichi Umemoto

Person

Patents Grantslast 30 patents

Plasma-generating electrode device, an electrode-embedded article,...

Plasma-generating electrode device, an electrode-embedded article,...

Plasma-generating electrode device, an electrode-embedded article,...

Aluminum nitride sintered body and its production method

Ceramic heaters and heating devices using such ceramic heaters

Apparatuses for heating semiconductor wafers, ceramic heaters and a...

Ceramic articles

Corrosion-resistant member for chemical apparatus using halogen ser...

Wafer heating apparatus and with ceramic substrate and dielectric l...

Voltage non-linear type resistors

Highly densified voltage non-linear resistor and method of manufact...

Voltage non-linear resistor and method of producing the same