Inventor
MURAKAWA MASAHIRO
JP27 patents
⚠️ This page may combine multiple inventors who share the name “MURAKAWA MASAHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ASAHI GLASS CO LTD
6 patentsUS6580674B1Jun 17, 2003
Phase shifter and optical head device mounted with the same
ASAHI GLASS CO LTD60 citations94
US7764354B2Jul 27, 2010
Multi-layer diffraction type polarizer and liquid crystal element
ASAHI GLASS CO LTD7 citations74
US6917576B2Jul 12, 2005
Retarder and optical head device installing the same
ASAHI GLASS CO LTD8 citations72
US7688700B2Mar 30, 2010
Phase correction element and optical head device
ASAHI GLASS CO LTD6 citations62
US7564504B2Jul 21, 2009
Phase plate and an optical data recording/reproducing device
ASAHI GLASS CO LTD1 citations52
US9360602B2Jun 7, 2016
Transmission diffraction element
ASAHI GLASS CO LTD1 citations44
AGENCY IND SCIENCE TECHN
5 patentsUS6781682B1Aug 24, 2004
Optical apparatus, optical apparatus adjustment method, and storage medium recorded with a processing program that executes said adjustment method
AGENCY IND SCIENCE TECHN25 citations92
US6658581B1Dec 2, 2003
Timing adjustment of clock signals in a digital circuit
AGENCY IND SCIENCE TECHN25 citations92
US6637008B1Oct 21, 2003
Electronic holding circuit and adjusting method thereof using a probabilistic searching technique
AGENCY IND SCIENCE TECHN32 citations92
US6879388B2Apr 12, 2005
Optical apparatus, optical apparatus adjustment method, and storage medium recorded with a processing program that executes said adjustment method
AGENCY IND SCIENCE TECHN8 citations73
US6741340B2May 25, 2004
Optical axis adjustment method, and storage medium recorded with a program that executes said adjustment method
AGENCY IND SCIENCE TECHN5 citations63
NAT INST OF ADVANCED IND SCIEN
3 patentsUS6861848B2Mar 1, 2005
Capacitance position sensor and position controller equipped with the sensor
NAT INST OF ADVANCED IND SCIEN11 citations72
US7583749B2Sep 1, 2009
Digital data transmitting apparatus
NAT INST OF ADVANCED IND SCIEN3 citations63
US7295032B2Nov 13, 2007
High-speed signal transmission system
NAT INST OF ADVANCED IND SCIEN3 citations63