Inventor · Tokyo, JP

Ichiro Kondo

12Patents
7h-index
17Co-inventors
59Inventor score

Filing activity: Nov 9, 1989 → Mar 4, 2002

Most-cited inventions

PatentTitleAreaCited byStatus
US6145354A Door lock system Emerging Cross-Sectional Technologies 56 Expired
US5109257A Testing circuit for semiconductor memory array Physics 40 Expired
US6131967A Door lock assembly for automotive vehicles Emerging Cross-Sectional Technologies 25 Expired
US5250914A Oscillation circuit operating with stable oscillation frequency at a specific low power-supply voltage Electricity 24 Expired
US6603319B1 Water immersion detecting circuit Electricity 18 Expired
US6750439B2 Light curtain generating device including single-beam optical modules Physics 9 Expired
US6739646B2 Opening and closing device for a vehicle door Emerging Cross-Sectional Technologies 7 Expired
US5742615A Non-volatile semiconductor memory Physics 7 Expired
US4990768A Electronic apparatus including photoelectric switch Physics 6 Expired
US5420505A Direct current booster with test circuit Electricity 6 Expired
US5946229A Semiconductor device having device supplying voltage higher than power supply voltage Electricity 3 Expired
US5291441A Electrically programmable read only memory device with timing detector for increasing address decoding signal Physics 1 Expired

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