YI

Yasuo Imanishi

HI Hitachi: 1 patents #1,745 of 4,225Top 45%
Overall (2003): #89,364 of 273,478Top 35%
1
Patents 2003

Issued Patents 2003

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6667946 Optical information recording medium Hiroki Yamamoto, Takashi Naito, Takashi Namekawa, Motoyasu Terao, Toshimichi Shintani +1 more 2003-12-23