Inventor
SUGA SHIGERU
46 patents
⚠️ This page may combine multiple inventors who share the name “SUGA SHIGERU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUGA SHIGERU
34 patentsUS4627287ADec 9, 1986
Light-resistance tester for maintaining uniform temperature at surface of sample
SUGA SHIGERU37 citations92
US4232971ANov 11, 1980
Integrating sphere type standard light source device
SUGA SHIGERU33 citations92
US3996494ADec 7, 1976
Light intensity monitoring and adjusting apparatus for xenon lamp type light fastness tester
SUGA SHIGERU37 citations92
US3983742AOct 5, 1976
Light fastness and weather resistance testing apparatus
SUGA SHIGERU33 citations92
US4544995AOct 1, 1985
Apparatus for testing light fastness of a material
SUGA SHIGERU24 citations82
US4150898AApr 24, 1979
Colorimeter employing primary filter mirrors
SUGA SHIGERU24 citations82
US4613235ASep 23, 1986
Method and apparatus for measuring gloss which correlates well with visually estimated gloss
SUGA SHIGERU18 citations74
US4196611AApr 8, 1980
Testing apparatus for determining abrasion resistance of a surface
SUGA SHIGERU18 citations74
US4125328ANov 14, 1978
Apparatus for measuring reflectivity and transmissivity of a specimen
SUGA SHIGERU20 citations74
US4114813ASep 19, 1978
Three-dimensional atomizing spray tower
SUGA SHIGERU17 citations74
US4069019AJan 17, 1978
Seal structure for tank lid of spray corrosion tester
SUGA SHIGERU10 citations74
US4069416AJan 17, 1978
Lamp equipped with magnets
SUGA SHIGERU7 citations74
US3998551ADec 21, 1976
Device for measuring stimulus values of the color of a liquid
SUGA SHIGERU18 citations74
US3930397AJan 6, 1976
Combustion testing apparatus
SUGA SHIGERU9 citations74
US4717259AJan 5, 1988
Luster rating method and apparatus
SUGA SHIGERU5 citations63
US4519716AMay 28, 1985
Device for testing combustability
SUGA SHIGERU2 citations63
US4184096AJan 15, 1980
Weather resistance and light fastness tester with cooled xenon lamp
SUGA SHIGERU6 citations63
US4142127AFeb 27, 1979
Control means for controlling the position of an electrode in a carbon arc lamp
SUGA SHIGERU2 citations63
US4075528AFeb 21, 1978
Xenon lamp with magnets on the electrodes
SUGA SHIGERU2 citations63
US4075529AFeb 21, 1978
Xenon lamp containing magnetic adsorbers inside the tube thereof
SUGA SHIGERU3 citations63
US4049351ASep 20, 1977
Contact means for a weather resistance and solar radiation tester
SUGA SHIGERU2 citations63
US4025440AMay 24, 1977
Device for regulating a xenon lamp with optical and temperature compensation
SUGA SHIGERU6 citations63
US4021713AMay 3, 1977
Apparatus for sequential measurement of light transmitted through smoke
SUGA SHIGERU4 citations63
US4005325AJan 25, 1977
Carbon electrode for emitting light similar to sunshine for light-fastness testing
SUGA SHIGERU5 citations63
US4005326AJan 25, 1977
Electrode mounting in an arc lamp for use in light fastness testers
SUGA SHIGERU2 citations63
US3991336ANov 9, 1976
Xenon lamp having magnets around the electrodes thereof
SUGA SHIGERU6 citations63
US4382226AMay 3, 1983
Electrolytic cell for actinometers
SUGA SHIGERU1 citations52
US4114067ASep 12, 1978
Electrode operating mechanism for carbon arc lamp
SUGA SHIGERU1 citations52
US4006380AFeb 1, 1977
Mounting of carbon electrodes on a holder of an arc lamp
SUGA SHIGERU1 citations52
US3932785AJan 13, 1976
Carbon electrode support
SUGA SHIGERU1 citations52
US3932784AJan 13, 1976
Double section carbon electrode
SUGA SHIGERU0 citations52
US4006379AFeb 1, 1977
Carbon electrodes for an ultraviolet arc lamp for use in a light-fastness tester
SUGA SHIGERU0 citations42
US4003615AJan 18, 1977
Coated carbon electrode having an inner coating of low resistance material
SUGA SHIGERU0 citations42
US3986063AOct 12, 1976
Carbon arc lamp provided with means to prevent ash deposition
SUGA SHIGERU0 citations42
SUGA TEST INSTRUMENTS
7 patentsUS4831564AMay 16, 1989
Apparatus for estimating and displaying remainder of lifetime of xenon lamps
SUGA TEST INSTRUMENTS149 citations98
US5138892AAug 18, 1992
Accelerated light fastness test method
SUGA TEST INSTRUMENTS38 citations92
US5305634AApr 26, 1994
Weathering test method and sample holder used therein
SUGA TEST INSTRUMENTS29 citations89
US4704903ANov 10, 1987
Light fastness/weather resistance accelerated test machine with an air mixing regulator
SUGA TEST INSTRUMENTS27 citations86
US4983526AJan 8, 1991
Method of measuring and controlling ozone concentration
SUGA TEST INSTRUMENTS13 citations72
US4975047ADec 4, 1990
Oven provided with oxygen concentration controls
SUGA TEST INSTRUMENTS19 citations72
US4954693ASep 4, 1990
Ventilation regulated hot air supplied constant temperature oven
SUGA TEST INSTRUMENTS18 citations72
YAMAHA CORP
5 patentsUS5618749AApr 8, 1997
Method of forming a semiconductor device having a capacitor and a resistor
YAMAHA CORP82 citations93
US4866003ASep 12, 1989
Plasma vapor deposition of an improved passivation film using electron cyclotron resonance
YAMAHA CORP32 citations91
US5935642AAug 10, 1999
Formation of resistor with small occupied area
YAMAHA CORP11 citations74
US5698463ADec 16, 1997
Semiconductor IC with FET and capacitor having side wall spacers and manufacturing method thereof
YAMAHA CORP13 citations74
US5825058AOct 20, 1998
Semiconductor IC with FET and capacitor having side wall spacers
YAMAHA CORP3 citations63