Inventor
OYA KAZUAKI
JP16 patents
⚠️ This page may combine multiple inventors who share the name “OYA KAZUAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIPPON SHEET GLASS CO LTD
15 patentsUS7310468B2Dec 18, 2007
Photonic crystal waveguide, homogeneous medium waveguide, and optical device
NIPPON SHEET GLASS CO LTD34 citations92
US6825963B2Nov 30, 2004
Optical element
NIPPON SHEET GLASS CO LTD16 citations83
US6968096B2Nov 22, 2005
Diffraction device using photonic crystal
NIPPON SHEET GLASS CO LTD15 citations82
US6914715B2Jul 5, 2005
Optical element
NIPPON SHEET GLASS CO LTD9 citations73
US7421176B2Sep 2, 2008
Waveguide element using photonic crystal
NIPPON SHEET GLASS CO LTD3 citations62
US7068903B2Jun 27, 2006
Optical element using one-dimensional photonic crystal and spectroscopic device using the same
NIPPON SHEET GLASS CO LTD5 citations62
US12421165B2Sep 23, 2025
Windshield and windshield manufacturing method
NIPPON SHEET GLASS CO LTD0 citations61
US11897810B2Feb 13, 2024
Windshield and windshield manufacturing method
NIPPON SHEET GLASS CO LTD0 citations61
US12528733B2Jan 20, 2026
Transparent laminate
NIPPON SHEET GLASS CO LTD0 citations56
US10400130B2Sep 3, 2019
Anti-fogging coated transparent article
NIPPON SHEET GLASS CO LTD0 citations51
US10011733B2Jul 3, 2018
Anti-fogging coated transparent article
NIPPON SHEET GLASS CO LTD0 citations51
US7305155B2Dec 4, 2007
Optical element and wavelength separator using the same
NIPPON SHEET GLASS CO LTD1 citations51
US7260300B2Aug 21, 2007
Waveguide element using photonic crystal
NIPPON SHEET GLASS CO LTD0 citations51
US11214129B2Jan 4, 2022
Windshield and windshield manufacturing method
NIPPON SHEET GLASS CO LTD0 citations49
US7009701B2Mar 7, 2006
Optical element and spectroscopic device using the same
NIPPON SHEET GLASS CO LTD0 citations41