Inventor · Yokohama, JP

Tsutomu Noguchi

62Patents
10h-index
64Co-inventors
81Inventor score

Filing activity: Sep 2, 1975 → Dec 29, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US4810911A FET switch circuit having small insertion loss and exhibiting stable operation Electricity 89 Expired
US5697087A Semiconductor device with a filter formed of 3-element series-and-parallel resonators Electricity 31 Expired
US6169121A Method and apparatus for recycling styrene resin Emerging Cross-Sectional Technologies 19 Expired
US4353047A (1-x)BaO.xTiO.sub.2 System dielectric material for use in a microwave device Electricity 19 Expired
US6274681A Method of manufacturing polyelectrolyte from styrene polymers Chemistry; Metallurgy 16 Expired
US5785817A Moldable pulp material and method of manufacturing molded pulp product Chemistry; Metallurgy 15 Expired
US6500872B1 Method for recycling waste styrene resin Emerging Cross-Sectional Technologies 14 Expired
US4865945A Positive photoresist material with o-quinone diazide and polymer containing silicon atoms Physics 11 Expired
US4631743A X-ray generating apparatus Electricity 11 Expired
US5360825A Pulp molding Chemistry; Metallurgy 10 Expired
US4221112A Electronic watch with illumination device Physics 7 Expired
US5863002A Waste processing apparatus, waste recovery system and liquid container Emerging Cross-Sectional Technologies 7 Expired
US6098649A Waste processing apparatus, waste recovery system and liquid container Emerging Cross-Sectional Technologies 7 Expired
US7645823B2 Resin composition, molded product from resin composition and method for preparing resin composition Chemistry; Metallurgy 6 Expired
US7605563B2 Charging circuit and charger using the same Emerging Cross-Sectional Technologies 6 Expired
US6512174B2 Electronic appliance having housing-case made of biodegradable material, and container made of biodegradable material Electricity 6 Expired
US4050038A Edge-guided mode non-reciprocal circuit element for microwave energy Electricity 5 Expired
US7285589B2 Polyester molding for use with a casing Emerging Cross-Sectional Technologies 5 Expired
US4083178A Watch case Physics 5 Expired
US6791029B2 Electronic appliance having housing-case made of biodegradable material, and container made of biodegradable material Electricity 4 Expired
US10714750B2 Porous carbon materials and production process thereof, and adsorbents, masks, adsorbing sheets and carriers Emerging Cross-Sectional Technologies 4 Active
US6348545B2 Water-absorbing resin and manufacturing method Chemistry; Metallurgy 4 Expired
US6022928A Method of manufacturing polyelectrolyte from styrene polymers Emerging Cross-Sectional Technologies 3 Expired
US7671117B2 Resin composition Chemistry; Metallurgy 3 Active
US7258904B2 Absorber and method for producing it Emerging Cross-Sectional Technologies 3 Expired

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