HI

Hajime Ishizuka

Pioneer: 1 patents #1,107 of 1,730Top 65%
SO Sony: 1 patents #17,262 of 25,231Top 70%
Overall (All Time): #2,124,908 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7764300 Optical recording medium and data recording device Ryuichiro Yoshimura, Hidenori Nakagawa, Takayuki Yamamoto, Takashi Nakai, Yuichi Mizuuchi +12 more 2010-07-27
6999090 Data processing apparatus, data processing method, information storing medium, and computer program Satoshi Obata, Kosuke Suzuki 2006-02-14