Inventor · Sakai, JP

Toshihiko Takahashi

127Patents
23h-index
125Co-inventors
93Inventor score

Filing activity: Jan 4, 1978 → Aug 9, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US5420288A Electroluminescent device comprising oxadiazole compounds luminescent material, oxadiazole compounds for the device, and method of producing oxadiazole compounds Electricity 62 Expired
US5656401A Electroluminescent device comprising oxadiazole compounds luminescent material, oxadiazole compounds for the device, and method of producing oxadiazole compounds Electricity 58 Expired
USD650322S1 Tire General 58 Expired
US5597925A Method of producing oxadiazole compounds Electricity 55 Expired
USD602427S1 Automobile tire General 53 Expired
US5610309A Electroluminescent device comprising oxadiazole compounds luminescent material, oxadiazole compounds for the device, and method of producing oxadiazole compounds Electricity 53 Expired
US5153073A Electroluminescent device Emerging Cross-Sectional Technologies 52 Expired
USD342047S Pneumatic tire General 48 Expired
USD777094S1 Tire General 45 Active
USD593487S1 Automobile tire General 40 Expired
USD545264S1 Automobile tire General 37 Expired
USD484845S1 Automobile tire General 35 Expired
US6097557A Method and apparatus for recording compressed audio data on recording medium and method for transferring compressed audio data Physics 34 Expired
US5019479A Positive type radiation-sensitive resin composition comprising a photosensitizer and a novolak resin Physics 33 Expired
US6357457B1 Substrate cleaning apparatus and method Emerging Cross-Sectional Technologies 32 Expired
USD608274S1 Tire General 27 Expired
USD800642S1 Tire General 26 Active
USD773980S1 Tire General 26 Active
USD529861S1 Automobile tire General 25 Expired
USD709025S1 Tire General 25 Active
USD768065S1 Tire General 24 Active
US5118986A Electroluminescent device Electricity 23 Expired
US4273749A Refining process of hot gas containing hydrogen sulfide and ammonia Chemistry; Metallurgy 23 Expired
US6807134B2 Asymmetry detection apparatus, jitter detection apparatus, and recording/reproduction apparatus Physics 22 Expired
US6130270A Radiation-curable resin composition Chemistry; Metallurgy 22 Expired

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