HA

Hiromasa Arai

IC Idemitsu Kosan Co.: 5 patents #272 of 1,237Top 25%
RE Renesas Electronics: 1 patents #2,739 of 4,529Top 65%
Overall (All Time): #846,570 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
9818657 Dry etching method and method of manufacturing semiconductor device Keiji Okamoto, Kazuyuki Ozeki 2017-11-14
7361796 Orangic electroluminescence device Hidetsugu Ikeda, Masakazu Funahashi, Chishio Hosokawa 2008-04-22
7122256 Styryl compound and organic electroluminescence device Masakazu Funahashi, Chishio Hosokawa 2006-10-17
7053255 Substituted diphenylanthracene compounds for organic electroluminescence devices Hidetsugu Ikeda, Masakazu Funahashi, Chishio Hosokawa 2006-05-30
6951693 Organic electroluminescence device Chishio Hosokawa, Masakazu Funahashi, Hisayuki Kawamura, Hidetoshi Koga, Hidetsugu Ikeda 2005-10-04
6743948 Organic electroluminescent device Chishio Hosokawa, Masakazu Funahashi, Hisayuki Kawamura, Hidetoshi Koga, Hidetsugu Ikeda 2004-06-01