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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Film thickness meter
Patent number
D578908
Issue date
Oct 21, 2008
Kett Electric Laboratory
Takashi Nakai
D10 - Measuring, testing, or signalling instruments
Information
Patent Grant
Moisture meter, electronic weighing machine for moisture meter, fil...
Patent number
6,279,387
Issue date
Aug 28, 2001
Kett Electric Laboratory
Fumihide Kikuchi
G01 - MEASURING TESTING
Information
Patent Grant
Heating unit for vaporizing sample by heating
Patent number
6,067,402
Issue date
May 23, 2000
Kett Electric Laboratory
Fumihide Kikuchi
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Method and apparatus of discriminating coal species
Patent number
5,873,982
Issue date
Feb 23, 1999
Japan Tobacco Inc.
Junichi Yoshimura
G01 - MEASURING TESTING
Information
Patent Grant
Wood moisture meter
Patent number
D346751
Issue date
May 10, 1994
Kett Electric Laboratory
Motohiko Emori
D10 - Measuring, testing, or signalling instruments
Information
Patent Grant
Coating thickness tester
Patent number
D333794
Issue date
Mar 9, 1993
Kett Electric Laboratory
Motohiko Emori
D10 - Measuring, testing, or signalling instruments
Information
Patent Grant
Instrument for measuring film thickness
Patent number
4,715,007
Issue date
Dec 22, 1987
Kett Electric Laboratory
Toshio Fujita
G01 - MEASURING TESTING
Information
Patent Grant
Electric moisture meter
Patent number
4,621,228
Issue date
Nov 4, 1986
Kett Electric Laboratory
Kuni Toki
G01 - MEASURING TESTING
Information
Patent Grant
Grain moisture tester
Patent number
D279274
Issue date
Jun 18, 1985
Kett Electric Laboratory
Eisaku Emori
D10 - Measuring, testing, or signalling instruments
Information
Patent Grant
Electric resistance type wide range moisture meter
Patent number
4,408,128
Issue date
Oct 4, 1983
Kett Electric Laboratory
Toshio Fujita
G01 - MEASURING TESTING
Information
Patent Grant
Self-propelled pipe inspecting apparatus
Patent number
4,108,004
Issue date
Aug 22, 1978
Kett Electric Laboratory
Osamu Murakami
F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
Information
Patent Grant
Linear output moisture meter with temperature compensator
Patent number
3,961,247
Issue date
Jun 1, 1976
Kett Electric Laboratory
Kuni Toki
G01 - MEASURING TESTING
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
73424430 - GRAINER
Serial number
73424430
Registration number
1431738
Filing date
May 4, 1983
Kett Electric Laboratory
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
73362049 - KETT
Serial number
73362049
Registration number
1278709
Filing date
Apr 29, 1982
Kett Electric Laboratory
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments