Assignee
SUGA SHIGERU
34 granted patents·354 citations·filing 1974–1985
Top patents by PatentIndex Score
34 records- 0194US3983742ALight fastness and weather resistance testing apparatusSUGA SHIGERU·Filed 1975·Granted Oct 5, 1976·33 cites·2 claims
- 0283US4232971AIntegrating sphere type standard light source deviceSUGA SHIGERU·Filed 1979·Granted Nov 11, 1980·33 cites·7 claims
- 0383US3996494ALight intensity monitoring and adjusting apparatus for xenon lamp type light fastness testerSUGA SHIGERU·Filed 1975·Granted Dec 7, 1976·37 cites·7 claims
- 0477US4150898AColorimeter employing primary filter mirrorsSUGA SHIGERU·Filed 1977·Granted Apr 24, 1979·24 cites·13 claims
- 0576US4627287ALight-resistance tester for maintaining uniform temperature at surface of sampleSUGA SHIGERU·Filed 1985·Granted Dec 9, 1986·37 cites·5 claims
- 0669US4544995AApparatus for testing light fastness of a materialSUGA SHIGERU·Filed 1983·Granted Oct 1, 1985·24 cites·3 claims
- 0767US4125328AApparatus for measuring reflectivity and transmissivity of a specimenSUGA SHIGERU·Filed 1977·Granted Nov 14, 1978·20 cites·3 claims
- 0866US4196611ATesting apparatus for determining abrasion resistance of a surfaceSUGA SHIGERU·Filed 1978·Granted Apr 8, 1980·18 cites·5 claims
- 0965US3998551ADevice for measuring stimulus values of the color of a liquidSUGA SHIGERU·Filed 1975·Granted Dec 21, 1976·18 cites·2 claims
- 1058US4613235AMethod and apparatus for measuring gloss which correlates well with visually estimated glossSUGA SHIGERU·Filed 1985·Granted Sep 23, 1986·18 cites·4 claims
- 1157US4069416ALamp equipped with magnetsSUGA SHIGERU·Filed 1976·Granted Jan 17, 1978·7 cites·7 claims
- 1254US4114813AThree-dimensional atomizing spray towerSUGA SHIGERU·Filed 1977·Granted Sep 19, 1978·17 cites·25 claims
- 1353US3991336AXenon lamp having magnets around the electrodes thereofSUGA SHIGERU·Filed 1975·Granted Nov 9, 1976·6 cites·2 claims
- 1452US4184096AWeather resistance and light fastness tester with cooled xenon lampSUGA SHIGERU·Filed 1978·Granted Jan 15, 1980·6 cites·4 claims
- 1550US4069019ASeal structure for tank lid of spray corrosion testerSUGA SHIGERU·Filed 1976·Granted Jan 17, 1978·10 cites·4 claims
- 1648US3930397ACombustion testing apparatusSUGA SHIGERU·Filed 1974·Granted Jan 6, 1976·9 cites·3 claims
- 1742US4075529AXenon lamp containing magnetic adsorbers inside the tube thereofSUGA SHIGERU·Filed 1977·Granted Feb 21, 1978·3 cites·5 claims
- 1841US4025440ADevice for regulating a xenon lamp with optical and temperature compensationSUGA SHIGERU·Filed 1976·Granted May 24, 1977·6 cites·8 claims
- 1939US4005325ACarbon electrode for emitting light similar to sunshine for light-fastness testingSUGA SHIGERU·Filed 1975·Granted Jan 25, 1977·5 cites·3 claims
- 2038US4075528AXenon lamp with magnets on the electrodesSUGA SHIGERU·Filed 1977·Granted Feb 21, 1978·2 cites·2 claims
- 2136US4717259ALuster rating method and apparatusSUGA SHIGERU·Filed 1985·Granted Jan 5, 1988·5 cites·4 claims
- 2235US4021713AApparatus for sequential measurement of light transmitted through smokeSUGA SHIGERU·Filed 1976·Granted May 3, 1977·4 cites·6 claims
- 2332US4519716ADevice for testing combustabilitySUGA SHIGERU·Filed 1984·Granted May 28, 1985·2 cites·15 claims
- 2432US4142127AControl means for controlling the position of an electrode in a carbon arc lampSUGA SHIGERU·Filed 1977·Granted Feb 27, 1979·2 cites·6 claims
- 2532US4005326AElectrode mounting in an arc lamp for use in light fastness testersSUGA SHIGERU·Filed 1975·Granted Jan 25, 1977·2 cites·3 claims
- 2632US3932785ACarbon electrode supportSUGA SHIGERU·Filed 1974·Granted Jan 13, 1976·1 cites·5 claims
- 2731US4382226AElectrolytic cell for actinometersSUGA SHIGERU·Filed 1982·Granted May 3, 1983·1 cites·3 claims
- 2831US4049351AContact means for a weather resistance and solar radiation testerSUGA SHIGERU·Filed 1976·Granted Sep 20, 1977·2 cites·4 claims
- 2931US4006380AMounting of carbon electrodes on a holder of an arc lampSUGA SHIGERU·Filed 1975·Granted Feb 1, 1977·1 cites·3 claims
- 3030US4114067AElectrode operating mechanism for carbon arc lampSUGA SHIGERU·Filed 1977·Granted Sep 12, 1978·1 cites·3 claims
- 3130US4006379ACarbon electrodes for an ultraviolet arc lamp for use in a light-fastness testerSUGA SHIGERU·Filed 1975·Granted Feb 1, 1977·0 cites·2 claims
- 3230US4003615ACoated carbon electrode having an inner coating of low resistance materialSUGA SHIGERU·Filed 1976·Granted Jan 18, 1977·0 cites·10 claims
- 3330US3986063ACarbon arc lamp provided with means to prevent ash depositionSUGA SHIGERU·Filed 1975·Granted Oct 12, 1976·0 cites·2 claims
- 3430US3932784ADouble section carbon electrodeSUGA SHIGERU·Filed 1974·Granted Jan 13, 1976·0 cites·4 claims
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →