P

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 patents
US4627287ADec 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 patents

YAMAHA CORP

5 patents