Inventor · Matsumoto, JP

Jun Amako

49Patents
14h-index
31Co-inventors
81Inventor score

Filing activity: Mar 18, 1993 → May 2, 2013

Most-cited inventions

PatentTitleAreaCited byStatus
US6812549B2 Wiring board and fabricating method thereof, semiconductor device and fabricating method thereof, circuit board and electronic instrument Electricity 118 Expired
US6031201A Laser machining apparatus with rotatable phase grating Physics 110 Expired
US5682214A Optical apparatus for controlling the wavefront of a coherent light Physics 72 Expired
US5589955A Optical device and optical machining system using the optical device Physics 64 Expired
US6635850B2 Laser machining method for precision machining Physics 57 Expired
US7009138B2 Laser processing method, laser welding method, and laser processing apparatus Electricity 54 Expired
US5497254A Optical apparatus including a liquid crystal modulator Physics 42 Expired
US7157661B2 Method and apparatus for laser machining Performing Operations; Transporting 41 Expired
US6563079B1 Method for machining work by laser beam Electricity 33 Expired
US6596634B2 Wiring board and fabricating method thereof, semiconductor device and fabricating method thereof, circuit board and electronic instrument Electricity 28 Expired
US7722194B2 Optical element having a reflected light diffusing function and a polarization separation function and a projection display device Physics 26 Active
US7755718B2 Optical element, liquid crystal device, and display Physics 24 Active
US7104703B2 Optical transceiver and method for producing the same Physics 21 Expired
US6376799B1 Laser machining apparatus with a rotatable phase grating Physics 15 Expired
US7944544B2 Liquid crystal device having a diffraction function layer that includes a flat portion and a non-flat portion with a grid disposed in the non-flat portion Performing Operations; Transporting 12 Active
US7255806B2 Substrate processing method, method of manufacturing micro lens sheet, transmission screen, projector, display device, and substrate processing apparatus Physics 8 Expired
US6424048B1 Semiconductor chip, semiconductor device, circuit board and electronic equipment and production methods for them Electricity 8 Expired
US7972017B2 Optical element having a diffractive layer and a relief pattern with concave and convex portions Physics 8 Active
US7867692B2 Method for manufacturing a microstructure, exposure device, and electronic apparatus Physics 6 Active
US6677237B2 Semiconductor chip, semiconductor device, circuit board and electronic equipment and production methods for them Electricity 6 Expired
US6507003B2 Method and apparatus for laser processing Electricity 5 Expired
US7169537B2 Method of manufacturing ink jet head and ink jet head Performing Operations; Transporting 5 Expired
US6946620B2 Laser processing method and laser processing apparatus Performing Operations; Transporting 5 Expired
US8817263B2 Sample analysis element and detecting device Physics 4 Active
US8221963B2 Method for producing fine structure Physics 4 Active

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