HK

Hisayuki Kawamura

IC Idemitsu Kosan Co.: 40 patents #24 of 1,237Top 2%
LG: 3 patents #10,792 of 26,165Top 45%
Samsung: 2 patents #37,631 of 75,807Top 50%
Overall (All Time): #62,651 of 4,157,543Top 2%
46
Patents All Time

Issued Patents All Time

Showing 26–46 of 46 patents

Patent #TitleCo-InventorsDate
7399537 Organic electroluminescence device and phenylenediamine derivative Chishio Hosokawa 2008-07-15
7393600 Sputtering target, sintered article, conductive film fabricated by utilizing the same, organic EL device, and substrate for use therein Kazuyoshi Inoue 2008-07-01
7321066 Method for producing aromatic diamine derivative Hiroyuki Matsui, Koji Hirota 2008-01-22
7306861 Sputtering target, sintered compact, electrically conductive film produced by using the same, and organic EL device and substrate used for the same Kazuyoshi Inoue 2007-12-11
6998773 Organic electroluminescence element and manufacturing method thereof Chishio Hosokawa, Hiroaki Nakamura 2006-02-14
6951693 Organic electroluminescence device Chishio Hosokawa, Masakazu Funahashi, Hiromasa Arai, Hidetoshi Koga, Hidetsugu Ikeda 2005-10-04
6856089 Organic electroluminescence element and manufacturing method thereof Chishio Hosokawa, Hiroaki Nakamura 2005-02-15
6762438 Organic electroluminescent layer with oligomer hole injection layer Toshio Sakai, Chishio Hosokawa 2004-07-13
6743948 Organic electroluminescent device Chishio Hosokawa, Masakazu Funahashi, Hiromasa Arai, Hidetoshi Koga, Hidetsugu Ikeda 2004-06-01
6635365 Organic electroluminescent device and method of manufacture thereof Hiroaki Nakamura, Chishio Hosokawa 2003-10-21
6632543 Amine compound and organic electroluminescence device using the compound 2003-10-14
6541129 Organic electroluminescence device and phenylenediamine derivative Chishio Hosokawa 2003-04-01
6504300 Organic electroluminescent device Chishio Hosokawa 2003-01-07
6489489 Organic electroluminescent device Toshio Sakai, Hisahiro Higashi, Hiroaki Nakamura, Chishio Hosokawa 2002-12-03
6437373 Organic electroluminescence layer with oligomer hole injection layer Toshio Sakai, Chishio Hosokawa 2002-08-20
6416888 Organic electroluminescent device and method of manufacture thereof Hiroaki Nakamura, Chishio Hosokawa 2002-07-09
6259203 Organic electroluminescent device Chishio Hosokawa 2001-07-10
6214481 Organic electroluminescent device Toshio Sakai, Hisahiro Higashi, Hiroaki Nakamura, Chishio Hosokawa 2001-04-10
6074734 Organic electroluminescence device, organic thin film, and triamine compound Hiroaki Nakamura, Chishio Hosokawa 2000-06-13
5837166 Organic electroluminescence device and arylenediamine derivative Chishio Hosokawa, Tadashi Kusumoto, Hiroaki Nakamura 1998-11-17
5358788 Organic electroluminescence device containing a silanamine compound Chishio Hosokawa, Tadashi Kusumoto 1994-10-25