Inventor
MITOMI OSAMU
JP38 patents
⚠️ This page may combine multiple inventors who share the name “MITOMI OSAMU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NGK INSULATORS LTD
30 patentsUS7446696B2Nov 4, 2008
Radio oscillating and radar systems
NGK INSULATORS LTD26 citations93
US7035485B2Apr 25, 2006
Optical waveguide device, and a travelling wave form optical modulator
NGK INSULATORS LTD23 citations93
US6674565B2Jan 6, 2004
Travelling wave-type optical modulator
NGK INSULATORS LTD21 citations93
US6556727B2Apr 29, 2003
Travelling wave-type optical modulator
NGK INSULATORS LTD20 citations92
US7995872B2Aug 9, 2011
Optical modulator component and optical modulator
NGK INSULATORS LTD10 citations84
US7532777B2May 12, 2009
Optical functional devices
NGK INSULATORS LTD10 citations84
US7502530B2Mar 10, 2009
Optical waveguide devices and traveling wave type optical modulators
NGK INSULATORS LTD15 citations84
US7382942B2Jun 3, 2008
Optical waveguide devices
NGK INSULATORS LTD11 citations84
US7068863B2Jun 27, 2006
Optical waveguide device, an optical modulator, a mounting structure for an optical waveguide device and a supporting member for an optical waveguide substrate
NGK INSULATORS LTD13 citations84
US6950580B2Sep 27, 2005
Optical waveguide devices and travelling wave type optical modulators
NGK INSULATORS LTD13 citations84
US6819851B2Nov 16, 2004
Optical waveguide device and a travelling-wave optical modulator
NGK INSULATORS LTD17 citations84
US7809218B2Oct 5, 2010
Optical modulators
NGK INSULATORS LTD7 citations74
US7389030B2Jun 17, 2008
Optically functional device
NGK INSULATORS LTD8 citations74
US6958852B2Oct 25, 2005
Optical modulator, method of achieving velocity matching and impedance matching of optical modulator, and method of manufacturing optical modulator
NGK INSULATORS LTD8 citations74
US8002998B2Aug 23, 2011
Method of producing a slab type two-dimensional photonic crystal structure
NGK INSULATORS LTD5 citations63
US7974501B2Jul 5, 2011
Optical modulators
NGK INSULATORS LTD4 citations63
US7869669B2Jan 11, 2011
Optical phase modulator
NGK INSULATORS LTD6 citations63
US7787773B1Aug 31, 2010
Radio oscillating and radar systems
NGK INSULATORS LTD3 citations63
US7778497B2Aug 17, 2010
Optical modulators
NGK INSULATORS LTD2 citations63
US7689066B2Mar 30, 2010
Optical Modulator
NGK INSULATORS LTD4 citations63
US7660506B2Feb 9, 2010
Optical waveguide structures
NGK INSULATORS LTD2 citations63
US7529447B2May 5, 2009
Optical waveguide devices
NGK INSULATORS LTD4 citations63
US7319800B2Jan 15, 2008
Optical waveguide device
NGK INSULATORS LTD3 citations63
US7218819B2May 15, 2007
Electrode systems for optical modulation and optical modulators
NGK INSULATORS LTD2 citations63
US7002731B2Feb 21, 2006
Optical modulators
NGK INSULATORS LTD5 citations63
US6904186B2Jun 7, 2005
Optical modulators and a method for modulating light
NGK INSULATORS LTD4 citations63
US7184631B2Feb 27, 2007
Optical device
NGK INSULATORS LTD6 citations61
US7787714B2Aug 31, 2010
Optical modulators
NGK INSULATORS LTD0 citations52
US6961493B2Nov 1, 2005
Optical device
NGK INSULATORS LTD1 citations51
US7764851B2Jul 27, 2010
Optical modulators
NGK INSULATORS LTD0 citations42
NIPPON TELEGRAPH & TELEPHONE
5 patentsUS5689358ANov 18, 1997
Optical functional devices and integrated optical devices having a ridged multi-quantum well structure
NIPPON TELEGRAPH & TELEPHONE62 citations94
US5585957ADec 17, 1996
Method for producing various semiconductor optical devices of differing optical characteristics
NIPPON TELEGRAPH & TELEPHONE55 citations94
US5790719AAug 4, 1998
Optical control device
NIPPON TELEGRAPH & TELEPHONE50 citations92
US5129017AJul 7, 1992
Electrically controlled optical device
NIPPON TELEGRAPH & TELEPHONE44 citations90
US5220627AJun 15, 1993
Electrically controlled optical device
NIPPON TELEGRAPH & TELEPHONE19 citations79