Inventor
NISHIKAWA MASAHIRO
JP62 patents
⚠️ This page may combine multiple inventors who share the name “NISHIKAWA MASAHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KOWA CO
14 patentsUS6432957B1Aug 13, 2002
Piperazine derivative
KOWA CO34 citations92
US6395753B1May 28, 2002
Cyclic amine compounds and pharmaceutical composition containing the same
KOWA CO21 citations92
US7109226B2Sep 19, 2006
PPAR-activating compound and pharmaceutical composition comprising the compound
KOWA CO35 citations91
US6653334B1Nov 25, 2003
Benzoxazole compound and pharmaceutical composition containing the same
KOWA CO30 citations91
US6472386B1Oct 29, 2002
Cyclic diamine compound with 5-membered ring groups
KOWA CO17 citations84
US7183295B2Feb 27, 2007
PPAR-activating compound and pharmaceutical composition comprising the compound
KOWA CO13 citations82
US6632810B2Oct 14, 2003
Cyclic diamine compound with condensed-ring groups
KOWA CO5 citations74
US6867221B2Mar 15, 2005
Cyclic amine compounds and pharmaceutical composition containing the same
KOWA CO11 citations73
US6605620B1Aug 12, 2003
Cyclic amine compounds and pharmaceutical composition containing the same
KOWA CO10 citations73
US6552188B2Apr 22, 2003
Unsymmetrical cyclic diamine compound
KOWA CO9 citations73
US6509329B1Jan 21, 2003
Cyclic diamine compound with 6-membered ring groups
KOWA CO4 citations63
US6498169B1Dec 24, 2002
Cyclic amine compounds and pharmaceutical composition containing the same
KOWA CO4 citations62
US7301033B2Nov 27, 2007
PPAR-activating compound
KOWA CO2 citations61
US7135473B2Nov 14, 2006
Cyclic diamine compound with condensed-ring groups
KOWA CO0 citations52
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD
7 patentsUS4395440AJul 26, 1983
Method of and apparatus for manufacturing ultrafine particle film
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD74 citations96
US4313338AFeb 2, 1982
Gas sensing device
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD62 citations96
US4362765ADec 7, 1982
Method of manufacturing a gas sensing device
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD15 citations82
US4733128AMar 22, 1988
Electroluminescence display device containing a zinc sulfide emission layer with rare earth elements and/or halides thereof and phosphorus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD15 citations74
US4668582AMay 26, 1987
Thin film EL panel
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD8 citations74
US4869973ASep 26, 1989
Thin film electroluminescence display device
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD7 citations73
US4847609AJul 11, 1989
Electroluminescence display panel configured for minimized power consumption
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD8 citations73
FUJISAWA PHARMACEUTICAL CO
5 patentsUS6348474B1Feb 19, 2002
Sulfonamide compounds and medicinal use thereof
FUJISAWA PHARMACEUTICAL CO124 citations97
US6242474B1Jun 5, 2001
Aromatic ring derivatives
FUJISAWA PHARMACEUTICAL CO71 citations95
US6420409B1Jul 16, 2002
Benzimidazole derivatives
FUJISAWA PHARMACEUTICAL CO21 citations92
US6911469B2Jun 28, 2005
Sulfonamide compounds and pharmaceutical use thereof
FUJISAWA PHARMACEUTICAL CO9 citations73
US6703410B1Mar 9, 2004
Crystal forms of 3-(2,4-dichlorobenzyl)-2-methyl-n-(pentylsulfonyl)-3h-benzimidazole-5-carboxamide
FUJISAWA PHARMACEUTICAL CO4 citations58
DAICEL CORP
5 patentsUS12258507B2Mar 25, 2025
Fluorescent diamond and method for producing same
DAICEL CORP0 citations61
US12403437B2Sep 2, 2025
Method for producing nanodiamonds doped with group 14 element, and method for purifying same
DAICEL CORP0 citations56
US12351463B2Jul 8, 2025
Heteroatom-doped nanodiamond
DAICEL CORP0 citations56
US11817261B2Nov 14, 2023
Electrode material for capacitor comprising boron-doped nanodiamond
DAICEL CORP0 citations54
US11742153B2Aug 29, 2023
Electrode-forming material for electrochemical capacitors
DAICEL CORP0 citations53
PANASONIC CORP
3 patentsUS9750154B2Aug 29, 2017
Power-supply device, light fixture, and vehicle
PANASONIC CORP2 citations71
US9024715B2May 5, 2015
Power converting transformer, vehicle headlight provided with the power converting transformer and motor vehicle provided with the headlight
PANASONIC CORP2 citations63
US9371974B2Jun 21, 2016
Lighting device, light fixture, and vehicle
PANASONIC CORP2 citations61
DAICEL CHEM
3 patentsUS6031113AFeb 29, 2000
Method of producing 4-hydroxy-2-pyrrolidinone and method of purifying the same
DAICEL CHEM4 citations63
US5750717AMay 12, 1998
2-isoxazoline derivative and process for producing the same, and process for producing related derivatives from the same
DAICEL CHEM1 citations61
US6252089B1Jun 26, 2001
Method of producing 4-hydroxy-2-pyrrolidinone and method of purifying the same
DAICEL CHEM0 citations52
NEC SCHOTT COMPONENTS CORP
2 patentsNISSAN MOTOR
2 patentsHORIBA LTD
2 patentsRIKAGAKU KENKYUSHO
2 patentsMARUYASU KOGKYO KABUSHIKI KAIS
1 patentMIYAI MASARU
1 patentAIST
1 patentGLICO NUTRITION CO LTD
1 patentWATANABE KENJI
1 patentShowing the top 50 of 62 patents by PatentIndex Score.