NF

Narutoshi Fukuzawa

Tdk: 36 patents #87 of 3,796Top 3%
Samsung: 1 patents #49,284 of 75,807Top 70%
Overall (All Time): #94,031 of 4,157,543Top 3%
36
Patents All Time

Issued Patents All Time

Showing 26–36 of 36 patents

Patent #TitleCo-InventorsDate
7394744 Reproduction apparatus and information recording medium testing apparatus Takashi Kikukawa, Tatsuhiro Kobayashi 2008-07-01
7247417 Optical recording medium and optical recording/reproducing method Takashi Horai, Hiroshi Take 2007-07-24
7167439 Multilevel optical recording medium with calibration signals Hiroshi Take, Hiroyuki Arioka, Shuji Tsukamoto, Takashi Horai, Motohiro Inoue 2007-01-23
7132148 Optical recording disk Tatsuhiro Kobayashi, Takashi Kikukawa 2006-11-07
7102969 Multi-level optical recording medium reproducing method and reproducing device Syuji Tsukamoto, Hiroyuki Arioka, Takashi Horai, Hiroshi Take, Motohiro Inoue 2006-09-05
7022393 Optical recording medium Takashi Horai, Hiroyuki Arioka, Syuji Tsukamoto 2006-04-04
7014902 Optical disc and method for manufacturing the same Hiroshi Take, Hiroshi Kawahara 2006-03-21
7008683 Optical disc and method for manufacturing the same Hiroshi Take, Hiroshi Kawahara 2006-03-07
7008682 Optical disc and method for manufacturing the same Hiroshi Take, Hiroshi Kawahara 2006-03-07
6905749 Optical recording disk, method for making and using the same 2005-06-14
6891790 Optical recording medium, optical recording device and optical recording method Syuji Tsukamoto 2005-05-10