KH

Keiichiro Horai

Sumitomo Electric Industries: 7 patents #3,987 of 21,551Top 20%
Overall (All Time): #753,600 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
7200102 Optical recording medium and recording method for the same Hiroaki Irie, Kenichi Nishiuchi, Mitsuaki Oshima 2007-04-03
7170848 Optical recording medium and recording method for the same Hiroaki Irie, Kenichi Nishiuchi 2007-01-30
7170839 Optical recording medium and recording method for the same Hiroaki Irie, Kenichi Nishiuchi, Mitsuaki Oshima 2007-01-30
7136348 Optical recording medium and recording method for the same Hiroaki Irie, Kenichi Nishiuchi, Mitsuaki Oshima 2006-11-14
7061850 Optical recording medium and recording method for the same Hiroaki Irie, Kenichi Nishiuchi, Yoshihisa Fukushima, Mitsuaki Oshima 2006-06-13
6607869 Optical information recording medium and method of manufacturing the same Rie Kojima, Toshiaki Kashihara, Noboru Yamada 2003-08-19
5151295 Process for manufacturing an optical recording medium Katsumi Kawahara, Masami Uchida, Kazumi Yoshioka, Takeo Ohta 1992-09-29