Inventor · Tokyo, JP

Masami Honda

23Patents
16h-index
14Co-inventors
78Inventor score

Filing activity: Apr 25, 1989 → Jul 22, 2009

Most-cited inventions

PatentTitleAreaCited byStatus
US5144290A Display unit attachment device Emerging Cross-Sectional Technologies 144 Expired
US5619397A Electronic device system including a portable electronic device having a handwriting input device locked to an expansion station when the power switch of the portable electronic device is turned on Physics 144 Expired
US5182698A Function expanding apparatus for compact electronic device Emerging Cross-Sectional Technologies 74 Expired
US5646820A Portable computer having a case which contains a speaker in a front wall and a keyboard in an upper wall Electricity 66 Expired
US6392873B1 Data-processing apparatus having a stand supporting a liquid-crystal display unit Physics 61 Expired
US5738537A External extension apparatus for extending the function of a portable electronic apparatus Electricity 54 Expired
US4950072A Presentation device for overhead projector Emerging Cross-Sectional Technologies 42 Expired
US5748444A Portable electronic apparatus having frame with cooling air flowing passage Physics 32 Expired
US5461546A Connecting apparatus for connecting portable computers Emerging Cross-Sectional Technologies 31 Expired
US5751547A Electronic device system including a portable electronic device having a handwriting input device locked to an expansion station when the power switch of the portable electronic device is turned on Physics 26 Expired
US5590024A Portable electronic apparatus having a plurality of card storage portions for removably housing a memory card Electricity 25 Expired
US5504648A Electronic apparatus and electronic system with expanding apparatus having interlock, ejector, grounding, and lock mechanisms, for expanding function of electronic apparatus Physics 22 Expired
US5448446A Electronic device with keyboard removably mounted over lid providing access to circuit board with detachably held electronic component and with two cord storing portions Emerging Cross-Sectional Technologies 22 Expired
US5292267A Connector unit with movable connector Emerging Cross-Sectional Technologies 21 Expired
US5105335A Hard case for housing and carrying electronic devices Electricity 21 Expired
US5507661A Electronic system with expanding apparatus for expanding function of electronic apparatus Emerging Cross-Sectional Technologies 17 Expired
US5663867A Portable electronic apparatus having a plurality of card storage portions for removably housing a memory card Electricity 16 Expired
US5400213A Electronic device having detachable keyboard clamped by a rotatable display when closed over the keyboard Emerging Cross-Sectional Technologies 11 Expired
US4946274A Presentation device used in combination with an overhead projector Physics 8 Expired
US5393241A Electronic apparatus, card-type electronic component used with the electronic apparatus, and electronic system with expanding apparatus for expanding function of electronic apparatus Emerging Cross-Sectional Technologies 8 Expired
US5430608A Electronic apparatus with power supply unit Emerging Cross-Sectional Technologies 7 Expired
US5444601A Personal computer having an expansion board connector restrained by a wall and supporting a circuit board Emerging Cross-Sectional Technologies 6 Expired
US8593460B2 Information processing apparatus and power saving effect display method Emerging Cross-Sectional Technologies 0 Active

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