Inventor
KAMEI SHIN
JP24 patents
⚠️ This page may combine multiple inventors who share the name “KAMEI SHIN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIPPON TELEGRAPH & TELEPHONE
15 patentsUS6229938B1May 8, 2001
WDM filter
NIPPON TELEGRAPH & TELEPHONE20 citations92
US9817186B2Nov 14, 2017
Polarization rotator
NIPPON TELEGRAPH & TELEPHONE20 citations91
US7245793B2Jul 17, 2007
Optical waveguide circuit
NIPPON TELEGRAPH & TELEPHONE11 citations84
US6718140B1Apr 6, 2004
Optical wavelength division multiplexing transmission network device
NIPPON TELEGRAPH & TELEPHONE16 citations83
US8369666B2Feb 5, 2013
Optical wavelength multiplexing/ de-multiplexing circuit
NIPPON TELEGRAPH & TELEPHONE15 citations82
US6925228B2Aug 2, 2005
Optical waveguide circuit
NIPPON TELEGRAPH & TELEPHONE9 citations73
US10295744B2May 21, 2019
Coherent optical mixer circuit
NIPPON TELEGRAPH & TELEPHONE2 citations72
US10243664B2Mar 26, 2019
Optical modulator driver circuit and optical transmitter
NIPPON TELEGRAPH & TELEPHONE5 citations71
US10190941B2Jan 29, 2019
Silicon optical circuit for flaw detection in an optical circuit element
NIPPON TELEGRAPH & TELEPHONE1 citations61
US10193653B2Jan 29, 2019
Polarization multiplexing optical transmission circuit and polarization multiplexing optical transmission and reception circuit
NIPPON TELEGRAPH & TELEPHONE1 citations61
US10277271B2Apr 30, 2019
Optical module
NIPPON TELEGRAPH & TELEPHONE0 citations52
US10165690B2Dec 25, 2018
Solder joint structure of flexible printed circuit board
NIPPON TELEGRAPH & TELEPHONE1 citations51
US10601522B2Mar 24, 2020
Optical receiver
NIPPON TELEGRAPH & TELEPHONE0 citations41
US10720543B2Jul 21, 2020
Photodetector
NIPPON TELEGRAPH & TELEPHONE0 citations40
US10146099B2Dec 4, 2018
Optical modulator
NIPPON TELEGRAPH & TELEPHONE0 citations40