Inventor
FUJIWARA HIROYASU
JP14 patents
⚠️ This page may combine multiple inventors who share the name “FUJIWARA HIROYASU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HAMAMATSU PHOTONICS KK
9 patentsUS7764421B2Jul 27, 2010
Wavelength-converted light generating apparatus and generating method
HAMAMATSU PHOTONICS KK11 citations82
US7557336B2Jul 7, 2009
Photodetector having first and second antenna areas with patterns having different cycle intervals
HAMAMATSU PHOTONICS KK2 citations62
US7787735B2Aug 31, 2010
Waveguide structure and optical device
HAMAMATSU PHOTONICS KK4 citations61
US12135444B2Nov 5, 2024
Terahertz wave optical element and method for producing terahertz wave optical element
HAMAMATSU PHOTONICS KK0 citations57
US11774651B2Oct 3, 2023
Terahertz wave optical element and method for producing terahertz wave optical element
HAMAMATSU PHOTONICS KK0 citations57
US11004999B2May 11, 2021
Photodetector element
HAMAMATSU PHOTONICS KK0 citations51
US12032184B2Jul 9, 2024
Terahertz wave lens and method for producing terahertz wave lens
HAMAMATSU PHOTONICS KK0 citations47
US10784393B2Sep 22, 2020
Photodetection element having a periodic nano-concave/convex structure
HAMAMATSU PHOTONICS KK0 citations41
US10686094B2Jun 16, 2020
Photodetection element
HAMAMATSU PHOTONICS KK0 citations41
NIIGAKI MINORU
2 patentsUS8446094B2May 21, 2013
Photocathode, electron tube, field assist type photocathode, field assist type photocathode array, and field assist type electron tube
NIIGAKI MINORU3 citations60
US8482197B2Jul 9, 2013
Photocathode, electron tube, field assist type photocathode, field assist type photocathode array, and field assist type electron tube
NIIGAKI MINORU1 citations49