Inventor
FUJIKAWA HISAYOSHI
JP23 patents
⚠️ This page may combine multiple inventors who share the name “FUJIKAWA HISAYOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOYODA CHUO KENKYUSHO KK
7 patentsUS6406801B1Jun 18, 2002
Optical resonator type organic electroluminescent element
TOYODA CHUO KENKYUSHO KK69 citations96
US5404075AApr 4, 1995
TFEL element with tantalum oxide and tungsten oxide insulating layer
TOYODA CHUO KENKYUSHO KK69 citations96
US6416887B1Jul 9, 2002
Organic electroluminescent element
TOYODA CHUO KENKYUSHO KK66 citations95
US5589733ADec 31, 1996
Electroluminescent element including a dielectric film of tantalum oxide and an oxide of either indium, tin, or zinc
TOYODA CHUO KENKYUSHO KK47 citations92
US5306950AApr 26, 1994
Electrode assembly for a semiconductor device
TOYODA CHUO KENKYUSHO KK36 citations92
US5225286AJul 6, 1993
Dielectric film
TOYODA CHUO KENKYUSHO KK37 citations92
US6355773B1Mar 12, 2002
Functional polymer and organic electroluminescence element, optical memory, and hole transport element using the same
TOYODA CHUO KENKYUSHO KK19 citations91
HAYASHIBARA BIOCHEM LAB
5 patentsUS6573380B2Jun 3, 2003
4-cyanocoumarin derivatives and uses thereof
HAYASHIBARA BIOCHEM LAB9 citations72
US7419727B2Sep 2, 2008
Organic electroluminescent device
HAYASHIBARA BIOCHEM LAB5 citations61
US7521567B2Apr 21, 2009
Amine compound and uses thereof
HAYASHIBARA BIOCHEM LAB4 citations60
US7375225B2May 20, 2008
4-cyanocoumarin derivatives and uses thereof
HAYASHIBARA BIOCHEM LAB0 citations50
US7514158B2Apr 7, 2009
Coumarin compound
HAYASHIBARA BIOCHEM LAB0 citations40
IIZUKA HIDEO
4 patentsUS8976450B2Mar 10, 2015
Optical light switch having two internally located diffraction gratings separated by liquid medium
IIZUKA HIDEO4 citations72
US8400706B2Mar 19, 2013
Acousto-optic scanner
IIZUKA HIDEO5 citations72
US9136406B2Sep 15, 2015
Solar cell assembly with diffraction gratings
IIZUKA HIDEO3 citations62
US10424678B2Sep 24, 2019
Solar cell with double groove diffraction grating
IIZUKA HIDEO0 citations41