Shigeru Suga
46Patents
12h-index
9Co-inventors
74Inventor score
Filing activity: Aug 26, 1974 → Aug 5, 1997
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4831564A | Apparatus for estimating and displaying remainder of lifetime of xenon lamps | Electricity | 105 | Expired |
| US5618749A | Method of forming a semiconductor device having a capacitor and a resistor | Emerging Cross-Sectional Technologies | 57 | Expired |
| US4627287A | Light-resistance tester for maintaining uniform temperature at surface of sample | Physics | 24 | Expired |
| US4866003A | Plasma vapor deposition of an improved passivation film using electron cyclotron resonance | Emerging Cross-Sectional Technologies | 22 | Expired |
| US3996494A | Light intensity monitoring and adjusting apparatus for xenon lamp type light fastness tester | Electricity | 22 | Expired |
| US4232971A | Integrating sphere type standard light source device | Physics | 21 | Expired |
| US3983742A | Light fastness and weather resistance testing apparatus | Physics | 17 | Expired |
| US4544995A | Apparatus for testing light fastness of a material | Physics | 16 | Expired |
| US4704903A | Light fastness/weather resistance accelerated test machine with an air mixing regulator | Physics | 15 | Expired |
| US4150898A | Colorimeter employing primary filter mirrors | Physics | 15 | Expired |
| US5138892A | Accelerated light fastness test method | Physics | 15 | Expired |
| US5305634A | Weathering test method and sample holder used therein | Physics | 14 | Expired |
| US4613235A | Method and apparatus for measuring gloss which correlates well with visually estimated gloss | Physics | 12 | Expired |
| US4975047A | Oven provided with oxygen concentration controls | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US3998551A | Device for measuring stimulus values of the color of a liquid | Physics | 11 | Expired |
| US4954693A | Ventilation regulated hot air supplied constant temperature oven | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US4125328A | Apparatus for measuring reflectivity and transmissivity of a specimen | Physics | 10 | Expired |
| US5698463A | Semiconductor IC with FET and capacitor having side wall spacers and manufacturing method thereof | Electricity | 7 | Expired |
| US4069416A | Lamp equipped with magnets | Electricity | 7 | Expired |
| US4114813A | Three-dimensional atomizing spray tower | Performing Operations; Transporting | 6 | Expired |
| US4983526A | Method of measuring and controlling ozone concentration | Emerging Cross-Sectional Technologies | 5 | Expired |
| US4025440A | Device for regulating a xenon lamp with optical and temperature compensation | Electricity | 5 | Expired |
| US4717259A | Luster rating method and apparatus | Physics | 5 | Expired |
| US5935642A | Formation of resistor with small occupied area | Emerging Cross-Sectional Technologies | 5 | Expired |
| US4069019A | Seal structure for tank lid of spray corrosion tester | Emerging Cross-Sectional Technologies | 5 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.