Inventor
HOSOMI KAZUHIKO
JP20 patents
⚠️ This page may combine multiple inventors who share the name “HOSOMI KAZUHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
7 patentsUS8036533B2Oct 11, 2011
Optical transmitter/receiver module
HITACHI LTD29 citations92
US6546034B2Apr 8, 2003
Semiconductor laser device, semiconductor laser array device and optical fiber transmission system
HITACHI LTD28 citations92
US6731846B2May 4, 2004
Dispersion compensator and optical transmission system using same
HITACHI LTD27 citations89
US7616845B2Nov 10, 2009
Optical module
HITACHI LTD15 citations84
US6931189B2Aug 16, 2005
Optical waveguides and optical devices with optical waveguides
HITACHI LTD7 citations72
US7145146B2Dec 5, 2006
Micro-spectroscopic measuring device and micro-chemical system
HITACHI LTD2 citations63
US7450789B2Nov 11, 2008
Micro sensor device
HITACHI LTD2 citations61
HGST Netherlands BV
5 patentsUS9142227B1Sep 22, 2015
Microwave assisted magnetic recording (MAMR) write head and system
HGST Netherlands BV31 citations94
US9230573B1Jan 5, 2016
Magnetic recording head with non-magnetic bump structure formed on spin torque oscillator
HGST Netherlands BV20 citations92
US8837088B1Sep 16, 2014
Microwave-assisted magnetic recording (MAMR) head with a current confinement structure
HGST Netherlands BV23 citations92
US9390733B2Jul 12, 2016
Microwave-assisted magnetic recording (MAMR) head with an inclined and recessed main pole structure
HGST Netherlands BV19 citations84
US9076462B2Jul 7, 2015
Magnetic head having a short yoke with a tapered coil structure
HGST Netherlands BV1 citations52