Inventor
MARUYAMA TSUKASA
JP37 patents
⚠️ This page may combine multiple inventors who share the name “MARUYAMA TSUKASA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DOWA ELECTRONICS MATERIALS CO LTD
10 patentsUSD778849SFeb 14, 2017
Light emitting diode chip
DOWA ELECTRONICS MATERIALS CO LTD28 citations94
USD915308SApr 6, 2021
Light emitting diode chip
DOWA ELECTRONICS MATERIALS CO LTD9 citations86
US7812516B2Oct 12, 2010
Light-emitting device and manufacturing method thereof
DOWA ELECTRONICS MATERIALS CO LTD11 citations84
US11009629B2May 18, 2021
Anti-reflection film and deep ultraviolet light-emitting device
DOWA ELECTRONICS MATERIALS CO LTD2 citations73
USD915309SApr 6, 2021
Light emitting diode chip
DOWA ELECTRONICS MATERIALS CO LTD3 citations73
USD857638SAug 27, 2019
Light emitting diode chip
DOWA ELECTRONICS MATERIALS CO LTD2 citations73
US12107199B2Oct 1, 2024
Light-emitting element lamp and method for manufacturing the same
DOWA ELECTRONICS MATERIALS CO LTD0 citations52
US7956536B2Jun 7, 2011
Light emitting device and method for producing same
DOWA ELECTRONICS MATERIALS CO LTD0 citations52
US7878876B2Feb 1, 2011
Light emitting device and method for producing same
DOWA ELECTRONICS MATERIALS CO LTD0 citations52
US12113155B2Oct 8, 2024
Method of manufacturing optical semiconductor device and optical semiconductor device
DOWA ELECTRONICS MATERIALS CO LTD0 citations47
YOKOHAMA RUBBER CO LTD
9 patentsUS7351359B2Apr 1, 2008
Method for producing conductive polyaniline and organic polymer composition
YOKOHAMA RUBBER CO LTD16 citations92
US6908958B2Jun 21, 2005
Organically modified layered clay as well as organic polymer composition and tire inner liner containing same
YOKOHAMA RUBBER CO LTD43 citations92
US6720378B2Apr 13, 2004
Rubber composition having improved wet skid resistance and rolling resistance
YOKOHAMA RUBBER CO LTD7 citations73
US6344510B1Feb 5, 2002
Rubber vulcanization agent and rubber composition containing the same
YOKOHAMA RUBBER CO LTD3 citations63
US7875209B2Jan 25, 2011
Photovoltaic device comprising conductive polyaniline
YOKOHAMA RUBBER CO LTD4 citations62
US7497975B2Mar 3, 2009
Method for producing conductive polyaniline
YOKOHAMA RUBBER CO LTD4 citations62
US7663863B2Feb 16, 2010
Electrode for capacitor and electric double layer capacitor using the same
YOKOHAMA RUBBER CO LTD5 citations59
US7585433B2Sep 8, 2009
Polyaniline/carbon composite and electric double-layer capacitor using same
YOKOHAMA RUBBER CO LTD6 citations59
US10128505B2Nov 13, 2018
Carbon material, electrode material using same and method of manufacturing same
YOKOHAMA RUBBER CO LTD0 citations49
MARUYAMA TSUKASA
7 patentsUS8299270B2Oct 30, 2012
Clay modified electrolyte for a dye-sensitized solar cell
MARUYAMA TSUKASA7 citations83
US8253326B2Aug 28, 2012
Light-emitting device and manufacturing method thereof
MARUYAMA TSUKASA5 citations73
US8957305B2Feb 17, 2015
Electrolyte for photoelectric conversion element, and photoelectric conversion element and dye-sensitized solar cell using same
MARUYAMA TSUKASA3 citations62
US8469760B2Jun 25, 2013
Light emitting device and method for producing same
MARUYAMA TSUKASA3 citations62
US8164254B2Apr 24, 2012
Light-emitting device and manufacturing method thereof
MARUYAMA TSUKASA2 citations62
US8481849B2Jul 9, 2013
Electrolyte for photovoltaic device as well as photovoltaic device and dye-sensitized solar cell including that electrolyte
MARUYAMA TSUKASA1 citations51
US9287056B2Mar 15, 2016
Electrolyte for photoelectric conversion element, photoelectric conversion element using the electrolyte, and dye-sensitized solar cell using the electrolyte
MARUYAMA TSUKASA0 citations41
DOWA MINING CO
4 patentsUS6483623B1Nov 19, 2002
Lamp apparatus for use in optical communication and a process for producing the same
DOWA MINING CO128 citations98
US6061160AMay 9, 2000
Component device for optical communication
DOWA MINING CO128 citations98
US6346701B1Feb 12, 2002
Photodetection method and photodetection device and photodetection/light emission device
DOWA MINING CO12 citations74
US5959755ASep 28, 1999
Lamp apparatus for optical communication
DOWA MINING CO1 citations52
TOKYO INST TECH
4 patentsUS5548048AAug 20, 1996
Process for manufacturing alkyl-substituted poly (2,2'-diyl) bipyridine-5,5'-diyl
TOKYO INST TECH2 citations62
US5436316AJul 25, 1995
Poly(alkylpyridine-2,5-diyl) and preparation thereof
TOKYO INST TECH3 citations62
US5424381AJun 13, 1995
Alkyl-substituted poly(2,2'-bipyridine-5,5'-diyl) and use thereof
TOKYO INST TECH2 citations62
US5475082ADec 12, 1995
Use of poly(alkylpyridine-2,5-diyl)
TOKYO INST TECH0 citations52
IMAZAKI YOSHIMASA
2 patentsUS8338692B2Dec 25, 2012
Electrolyte for photoelectric conversion elements, and photoelectric conversion element and dye-sensitized solar cell using the electrolyte
IMAZAKI YOSHIMASA3 citations56
US8222515B2Jul 17, 2012
Electrolyte for photoelectric conversion elements, and photoelectric conversion element and dye-sensitized solar cell using the electrolyte
IMAZAKI YOSHIMASA4 citations56