Inventor
TSUDA TOSHIAKI
JP31 patents
⚠️ This page may combine multiple inventors who share the name “TSUDA TOSHIAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KOITO MFG CO LTD
25 patentsUS6210028B1Apr 3, 2001
Vehicular headlamp having synthetic resin lens with reduced discoloration and cracking from ultraviolet radiation
KOITO MFG CO LTD21 citations90
US10134283B2Nov 20, 2018
Road surface image-drawing system for vehicle
KOITO MFG CO LTD10 citations84
US10874009B2Dec 22, 2020
Load driving apparatus
KOITO MFG CO LTD2 citations73
US10457193B2Oct 29, 2019
Vehicle lamp and vehicle lamp control system
KOITO MFG CO LTD2 citations73
US10317031B2Jun 11, 2019
Vehicle lamp
KOITO MFG CO LTD2 citations73
US10247381B2Apr 2, 2019
Automotive lamp
KOITO MFG CO LTD3 citations73
US10184652B2Jan 22, 2019
Light source module with recessed temperature sensor and fan
KOITO MFG CO LTD2 citations73
US9976721B2May 22, 2018
Light source module
KOITO MFG CO LTD6 citations73
US9616750B2Apr 11, 2017
Vehicle display system
KOITO MFG CO LTD5 citations73
US6894429B2May 17, 2005
Discharge lamp device
KOITO MFG CO LTD10 citations70
US10741083B2Aug 11, 2020
Road surface image-drawing system for vehicle
KOITO MFG CO LTD1 citations62
US10576873B2Mar 3, 2020
Vehicle lamp and vehicle lamp control system
KOITO MFG CO LTD1 citations62
US10551020B2Feb 4, 2020
Vehicle lamp with acousto-optic device
KOITO MFG CO LTD1 citations62
US8049422B2Nov 1, 2011
Electric discharge lamp having ceramic luminous tube
KOITO MFG CO LTD2 citations62
US7977886B2Jul 12, 2011
Mercury-free discharge bulb
KOITO MFG CO LTD2 citations62
US7973479B2Jul 5, 2011
Discharge lamp
KOITO MFG CO LTD2 citations62
US7230383B2Jun 12, 2007
Automotive discharge bulb and automotive headlamp
KOITO MFG CO LTD5 citations62
US6710521B2Mar 23, 2004
Discharge bulb with infrared transmitting film
KOITO MFG CO LTD6 citations62
US11796807B2Oct 24, 2023
Head-up display device and head-up display system
KOITO MFG CO LTD0 citations52
US10072807B2Sep 11, 2018
Vehicular headlamp
KOITO MFG CO LTD0 citations52
US9970619B2May 15, 2018
Vehicle lamp
KOITO MFG CO LTD1 citations52
US9500338B2Nov 22, 2016
Vehicle lamp
KOITO MFG CO LTD1 citations52
US7476005B2Jan 13, 2009
Vehicle headlamp
KOITO MFG CO LTD0 citations46
US8350478B2Jan 8, 2013
Vehicle discharge lamp
KOITO MFG CO LTD0 citations42
US10684004B2Jun 16, 2020
Lamp unit
KOITO MFG CO LTD0 citations41
FURUKAWA ELECTRIC CO LTD
5 patentsUS6009221ADec 28, 1999
Dispersion slope compensating optical fiber
FURUKAWA ELECTRIC CO LTD62 citations96
US6542666B2Apr 1, 2003
Optical component
FURUKAWA ELECTRIC CO LTD13 citations83
US6532107B2Mar 11, 2003
Optical amplifier, light source module and optical system
FURUKAWA ELECTRIC CO LTD3 citations61
US7362939B2Apr 22, 2008
Optical fiber for long period grating, long period grating component and manufacturing method of the same
FURUKAWA ELECTRIC CO LTD2 citations60
US6289154B1Sep 11, 2001
Grating-type optical component and method of manufacturing the same
FURUKAWA ELECTRIC CO LTD4 citations60