P

Inventor

HIRAMATSU RYOSUKE

JP37 patents
⚠️ This page may combine multiple inventors who share the name “HIRAMATSU RYOSUKE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

TOSHIBA KK

18 patents
US7468147B2Dec 23, 2008

Fluorescent substance and light-emitting device using the same

TOSHIBA KK59 citations97
US5697504ADec 16, 1997

Video coding system

TOSHIBA KK92 citations96
US7414272B2Aug 19, 2008

Fluorescent substance containing nitrogen, method for manufacturing the same, and light-emitting device

TOSHIBA KK17 citations82
US9954146B2Apr 24, 2018

Phosphor, manufacturing method thereof, and light-emitting device using the phosphor

TOSHIBA KK2 citations62
US7572391B2Aug 11, 2009

Fluorescent substance and light-emitting device using the same

TOSHIBA KK2 citations62
US7498736B2Mar 3, 2009

Luminescent material

TOSHIBA KK4 citations62
US7635438B2Dec 22, 2009

Luminescent material

TOSHIBA KK6 citations61
US7638934B2Dec 29, 2009

Fluorescent substance and light-emitting device

TOSHIBA KK4 citations60
US12509358B2Dec 30, 2025

Tungsten oxide powder and method for producing tungsten oxide powder

TOSHIBA KK0 citations58
US10711186B2Jul 14, 2020

Phosphor, producing method thereof, and light-emitting device employing the phosphor

TOSHIBA KK0 citations52
US10032967B2Jul 24, 2018

Phosphor and light-emitting device

TOSHIBA KK0 citations52
US10020427B2Jul 10, 2018

Phosphor, manufacturing method therefor, and light-emitting device using the phosphor

TOSHIBA KK1 citations52
US9520540B2Dec 13, 2016

Light-emitting device with phosphor excited by blue excitation light

TOSHIBA KK0 citations52
US8043528B2Oct 25, 2011

Luminescent material

TOSHIBA KK0 citations52
US7875206B2Jan 25, 2011

Luminescent material

TOSHIBA KK0 citations52
US7799245B2Sep 21, 2010

Fluorescent substance and light-emitting device using the same

TOSHIBA KK0 citations51
US7601277B2Oct 13, 2009

Fluorescent substance and light-emitting device using the same

TOSHIBA KK0 citations51
US10519368B2Dec 31, 2019

Phosphor, manufacturing method thereof, and light-emitting device using the phosphor

TOSHIBA KK0 citations42

FUKUDA YUMI

5 patents

HIRAMATSU RYOSUKE

4 patents

TOSHIBA MATERIALS CO LTD

3 patents

MITSUISHI IWAO

2 patents

HATTORI YASUSHI

2 patents

ISHIDA KUNIO

1 patent

OKADA AOI

1 patent

ALBESSARD KEIKO

1 patent