Inventor · Sukagawa, JP

Shingo Watanabe

78Patents
16h-index
152Co-inventors
87Inventor score

Filing activity: Mar 5, 1980 → Apr 16, 2024

Most-cited inventions

PatentTitleAreaCited byStatus
US5447294A Vertical type heat treatment system Electricity 448 Expired
US4646872A Earphone Electricity 251 Expired
US4736435A Ear piece transducer Electricity 89 Expired
US5482558A Heat treatment boat support Electricity 37 Expired
USD424024S Quartz process tube General 34 Expired
USD405429S Processing tube for use in a semiconductor wafer heat processing apparatus General 31 Expired
USD406113S Processing tube for use in a semiconductor wafer heat processing apparatus General 28 Expired
USD423463S Quartz process tube General 28 Expired
US5458688A Heat treatment boat Electricity 26 Expired
USD378823S Wafer boat General 26 Expired
US5330352A Oxidation/diffusion processing apparatus Chemistry; Metallurgy 23 Expired
US5308955A Vertical heat treatment apparatus with vented heat insulation cover means Mechanical Engineering; Lighting; Heating 22 Expired
US5370371A Heat treatment apparatus Chemistry; Metallurgy 21 Expired
US5705214A Food component transfer sheet and method of processing food therewith Human Necessities 20 Expired
US5318633A Heat treating apparatus Mechanical Engineering; Lighting; Heating 17 Expired
US5645419A Heat treatment method and device Electricity 17 Expired
US4976613A Heat treatment apparatus Emerging Cross-Sectional Technologies 16 Expired
US7059849B2 Heat treatment system and a method for cooling a loading chamber Emerging Cross-Sectional Technologies 13 Expired
US7619344B2 Armature of rotary electric machine and manufacturing method thereof Emerging Cross-Sectional Technologies 12 Expired
US5163832A Vertical heat-treating apparatus Emerging Cross-Sectional Technologies 12 Expired
US4492414A Regulator valve for hydraulic anti-skid apparatus Performing Operations; Transporting 12 Expired
US4624508A Regulator valve for hydraulic anti-skid apparatus Performing Operations; Transporting 11 Expired
US4491629A Water soluble photoresist composition with bisazide, diazo, polymer and silane Physics 11 Expired
US7731837B2 Oxidatively regenerable adsorbents for sulfur removal Chemistry; Metallurgy 10 Active
US4501806A Method for forming pattern and photoresist used therein Physics 9 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.