Inventor
MATUI RYOTARO
JP23 patents
⚠️ This page may combine multiple inventors who share the name “MATUI RYOTARO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HAMAMATSU PHOTONICS KK
21 patentsUS6741036B1May 25, 2004
Gas discharge tube
HAMAMATSU PHOTONICS KK140 citations97
US6586866B1Jul 1, 2003
Gas discharge tube having precise electrode arrangement
HAMAMATSU PHOTONICS KK137 citations97
US5698945ADec 16, 1997
Deuterium gas discharge tube
HAMAMATSU PHOTONICS KK31 citations92
US5684363ANov 4, 1997
Deuterium gas discharge tube
HAMAMATSU PHOTONICS KK26 citations92
US5646487AJul 8, 1997
Lighting device for gas discharge tube with insulated discharge shielding member
HAMAMATSU PHOTONICS KK28 citations92
US5619101AApr 8, 1997
Gas discharge tube
HAMAMATSU PHOTONICS KK25 citations92
US5587625ADec 24, 1996
Gas discharge tube
HAMAMATSU PHOTONICS KK20 citations92
US5552669ASep 3, 1996
Deuterium gas discharge tube
HAMAMATSU PHOTONICS KK37 citations92
US6559576B1May 6, 2003
Gas discharge tube having sealed envelope with metallic portion and light projection glass window
HAMAMATSU PHOTONICS KK14 citations83
US6573655B1Jun 3, 2003
Gas discharge tube
HAMAMATSU PHOTONICS KK12 citations73
US6531821B1Mar 11, 2003
Gas discharge tube
HAMAMATSU PHOTONICS KK9 citations73
US6380663B1Apr 30, 2002
Gas discharge tube having a side tube with glass coating
HAMAMATSU PHOTONICS KK10 citations73
US7988312B2Aug 2, 2011
Light source apparatus with reflector gas-blasting structure
HAMAMATSU PHOTONICS KK2 citations62
US11204160B2Dec 21, 2021
Light source device
HAMAMATSU PHOTONICS KK0 citations58
US10895376B2Jan 19, 2021
Light source device
HAMAMATSU PHOTONICS KK0 citations58
US11353207B2Jun 7, 2022
Light source device
HAMAMATSU PHOTONICS KK0 citations56
US11229866B2Jan 25, 2022
Air filter, light source device, and air filter manufacturing method
HAMAMATSU PHOTONICS KK1 citations55
US11806687B2Nov 7, 2023
Active energy radiation unit and active energy radiation device
HAMAMATSU PHOTONICS KK0 citations49
US11298959B2Apr 12, 2022
Active energy radiation unit and active energy radiation device
HAMAMATSU PHOTONICS KK0 citations49
US11959624B2Apr 16, 2024
Light emitting device
HAMAMATSU PHOTONICS KK0 citations46
US10865971B2Dec 15, 2020
Light source device
HAMAMATSU PHOTONICS KK0 citations46