Inventor · Ibaraki, JP

Seiji Oda

22Patents
5h-index
33Co-inventors
69Inventor score

Filing activity: Jun 30, 1988 → Jul 5, 2013

Most-cited inventions

PatentTitleAreaCited byStatus
US6445254B1 Crystal oscillator and method of bonding IC chip useful for fabricating crystal oscillator Electricity 22 Expired
US6662121B1 Thermal fluid sensor, fluid discriminating apparatus and method, flow sensor, and flow rate measuring apparatus and method Physics 22 Expired
US4915625A Ceramic orthodontic bracket Chemistry; Metallurgy 21 Expired
US6304151A Crystal oscillator and method of fabricating the same Electricity 12 Expired
US5218609A Solid laser oscillator Electricity 8 Expired
US7339309B2 Surface mount crystal oscillator Electricity 5 Active
US7116039B2 Crystal unit and holding structure of crystal unit Electricity 5 Expired
US6822404B2 Phase-controlled, multi-electrode type of AC discharge light source Electricity 5 Expired
US5134626A Solid laser generator Electricity 4 Expired
US7084503B2 Semiconductor device and fabricating method thereof Electricity 4 Expired
US6452460B2 Surface mounting quartz-crystal oscillator Electricity 4 Expired
US7012355B2 Crystal unit Electricity 4 Expired
US7467547B2 Fluid-measuring device and fluid-measuring method Physics 4 Active
US5086383A Step-up power supplying circuit Electricity 3 Expired
US5201595A Rolled sheet feeding mechanism of paper-drive type automatic drafting machine Electricity 3 Expired
US7388320B2 Quartz crystal unit and holding structure for same Electricity 1 Expired
US5327168A Rolled sheet conveying apparatus of plotter and rolled sheet conveying route control method. Physics 1 Expired
US9238665B2 Method for producing aromatic compound Chemistry; Metallurgy 1 Active
US8598349B2 Method for manufacturing conjugated aromatic compound Chemistry; Metallurgy 1 Active
US8236920B2 Polyarylene and process for producing the same Emerging Cross-Sectional Technologies 0 Active
US8088693B2 Substrate treatment method Electricity 0 Active
US9453103B2 Method for producing aromatic compound Chemistry; Metallurgy 0 Active

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