Inventor · Ootawara, JP

Hiroshi Aida

36Patents
10h-index
55Co-inventors
78Inventor score

Filing activity: Apr 27, 1989 → Feb 9, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US6447937B1 Ceramic materials resistant to halogen plasma and components using the same Emerging Cross-Sectional Technologies 428 Expired
US6916559B2 Ceramic material resistant to halogen plasma and member utilizing the same Emerging Cross-Sectional Technologies 370 Expired
US5886863A Wafer support member Emerging Cross-Sectional Technologies 168 Expired
US5958813A Semi-insulating aluminum nitride sintered body Emerging Cross-Sectional Technologies 32 Expired
US5275798A Method for producing diamond films Chemistry; Metallurgy 32 Expired
US5653932A Injection molding method for preventing formation of surface defects and mold assembly therefor Performing Operations; Transporting 23 Expired
US5668524A Ceramic resistor and electrostatic chuck having an aluminum nitride crystal phase Emerging Cross-Sectional Technologies 23 Expired
US5225275A Method of producing diamond films Emerging Cross-Sectional Technologies 19 Expired
US5777543A Ceramic resistor and electrostatic chuck having an aluminum nitride crystal phase Emerging Cross-Sectional Technologies 18 Expired
US4963087A Expansion injection molding die Performing Operations; Transporting 12 Expired
US6265334A Ceramic sintered product and process for producing the same Electricity 10 Expired
US5232654A Injection molding method for manufacturing a thermoplastic part free from sink marks using a void inducing member Performing Operations; Transporting 9 Expired
US7053380B2 X-ray detector and method for producing X-ray detector Physics 6 Expired
USRE39120E1 Ceramic sintered product and process for producing the same General 5 Expired
US5540581A Mold for injection molding a thermoplastic part free from sink marks using a void inducing member Performing Operations; Transporting 4 Expired
US6957728B2 Pulley apparatus with built-in roller clutch and the assembly method thereof Emerging Cross-Sectional Technologies 3 Expired
US7044587B2 Actuator, its manufacturing method and printing head Electricity 2 Expired
US6380674B1 X-ray image detector Electricity 2 Expired
US9880292B2 Apparatus and method of manufacturing radiation detection panel Physics 2 Active
US7910892B2 Method for manufacturing X-ray detector and X-ray detector Electricity 2 Active
US11211838B2 IPM rotor Electricity 2 Active
US10910892B2 Rotary electric machine and electric power steering apparatus Electricity 2 Active
US6513633B2 Rotation transmitting device incorporating one-way clutch therein Mechanical Engineering; Lighting; Heating 2 Expired
US9964652B2 Apparatus and method of manufacturing radiation detection panel Physics 1 Active
US11418070B2 Stator and rotary electric machine Electricity 1 Active

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