HK

Hisayuki Kawamura

IC Idemitsu Kosan Co.: 4 patents #2 of 55Top 4%
Overall (2003): #16,445 of 273,478Top 7%
4
Patents 2003

Issued Patents 2003

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
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