Inventor · Tokyo, JP

Makoto Matsuda

100Patents
13h-index
61Co-inventors
89Inventor score

Filing activity: Jun 6, 1977 → Jun 28, 2018

Most-cited inventions

PatentTitleAreaCited byStatus
USD433016S Handheld computer General 73 Expired
US9078281B2 Wireless station and wireless LAN system Electricity 60 Active
USD351185S Combined electronic calculator and battery tester General 42 Expired
USD501499S1 Electronic calculator General 34 Expired
USD408440S Electronic calculator General 23 Expired
USD580478S1 Electronic calculator General 23 Expired
USD536365S1 Electronic calculator General 19 Expired
USD377190S Electronic calculator General 18 Expired
USD416280S Electronic calculator General 18 Expired
USD584762S1 Electronic calculator General 18 Expired
US4172411A Hydraulic hammer Fixed Constructions 17 Expired
US5739970A Magnetic tape unit Physics 15 Expired
USD362266S Electronic calculator General 14 Expired
US4342255A Oscillator actuated hydraulic impulse device Mechanical Engineering; Lighting; Heating 11 Expired
USD561246S1 Electronic calculator General 10 Expired
USD488500S1 Electronic calculator General 9 Expired
US7924768B2 Wireless LAN system, communication terminal and communication program Electricity 9 Active
USD350763S Electronic calculator General 9 Expired
US7068165B2 Environment setup system, electronic apparatus, radio communication terminal, program Electricity 9 Expired
US9666769B2 Light emitting device, LED light source for plant cultivation, and plant factory Emerging Cross-Sectional Technologies 8 Active
US8379537B2 Network device management system, network device management device, and network device management program Electricity 8 Active
US6493167B2 Magnetic tape unit Physics 8 Expired
USD631086S1 Electronic calculator General 7 Expired
US7985980B2 Chip-type LED and method for manufacturing the same Electricity 7 Active
US7830540B2 Communication apparatus Electricity 7 Active

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