Inventor · Rifu, JP

Yoshiaki Numata

6Patents
2h-index
5Co-inventors
40Inventor score

Filing activity: Aug 28, 1995 → Nov 27, 2007

Most-cited inventions

PatentTitleAreaCited byStatus
US5657134A Digital circuit multiplier equipment for handling of facsimile signals by addition of controlled variable delay to facsimile control channel signals Electricity 5 Expired
US6384938B1 Facsimile module self-diagnostic system for digital circuit multiplication equipment Electricity 2 Expired
US7968606B2 Perfume composition having sedative effect Human Necessities 2 Active
US7038817B2 Facsimile signal transmission system Electricity 1 Expired
US7938477B2 Stopper structure for a tilt type cabin Emerging Cross-Sectional Technologies 1 Active
US7190675B2 Adaptive access control in LAN relaying apparatus Electricity 0 Expired

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