Inventor · Iwata, JP

Tomohiro Ono

59Patents
10h-index
71Co-inventors
81Inventor score

Filing activity: May 5, 1992 → Feb 26, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US7177553B2 Part determination device, part attachment and detachment apparatus, image forming apparatus, and part determination method Physics 31 Expired
US6329480A Preparation process of acrylic acid ester polymer Chemistry; Metallurgy 26 Expired
US5864224A Method for charging secondary battery and charger therefor Emerging Cross-Sectional Technologies 21 Expired
US6767976B2 Process for polymerizing a methacrylic ester or an acrylic ester Chemistry; Metallurgy 20 Expired
US7546469B2 Image forming apparatus, method for controlling writing data from the same to storage device, method for controlling reading data from storage device to the same, and replacement part therefor Physics 20 Active
US7342342B2 Rotary electrical machine and electric vehicle having the same Emerging Cross-Sectional Technologies 13 Expired
US7139494B2 Image forming apparatus, part detachable device and image forming apparatus main body that switches operation mode based part used Physics 13 Expired
US7096984B2 Electric vehicle Emerging Cross-Sectional Technologies 11 Expired
US7439863B2 RFID relay antenna, RFID system, container, disposition method, communication confirmation method, and package construction Physics 11 Active
US7740968B2 Ion-conductive binder membrane-electrode assembly and fuel cell Emerging Cross-Sectional Technologies 10 Expired
US5680703A Method of manufacturing pressure regulator Emerging Cross-Sectional Technologies 9 Expired
US7309941B2 Rotating electric machine and electric vehicle Emerging Cross-Sectional Technologies 9 Expired
US5751136A Checking method of connection between secondary battery and battery charger and checking device Emerging Cross-Sectional Technologies 7 Expired
US5213126A Pressure control valve and method of manufacturing same Emerging Cross-Sectional Technologies 7 Expired
US6878789B2 Preparation process of acrylic acid ester polymer Chemistry; Metallurgy 5 Expired
US6630554B1 Process for polymerizing a methacrylic ester or an acrylic ester Chemistry; Metallurgy 5 Expired
US7408278B2 Motor-generator with adjustable axial gap for vehicle Emerging Cross-Sectional Technologies 4 Expired
US7471201B2 RFID tag and merchandise management system Physics 4 Active
US7231904B2 Relative position detection and control device for motor vehicle Mechanical Engineering; Lighting; Heating 4 Expired
US7857227B2 Non-contact IC tag, package for member having the non-contact IC tag, and device using the member having the non-contact IC tag Physics 3 Active
US8182949B2 Polymer electrolyte membrane and process for preparation thereof, and membrane-electrode assembly and polymer electrolyte fuel cell Emerging Cross-Sectional Technologies 3 Active
US8254369B2 Radio communication system, base station, inter-base station synchronization method, and program Electricity 3 Active
US7870921B2 Electric bicycle having a front cover unit Performing Operations; Transporting 3 Active
US7116027B2 Magnet for a dynamo-electric machine Emerging Cross-Sectional Technologies 2 Expired
US7268462B2 Rotating electrical apparatus Emerging Cross-Sectional Technologies 2 Expired

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