JA

Junichi Asada

Sumitomo Electric Industries: 5 patents #123 of 3,632Top 4%
Overall (2005): #6,953 of 245,428Top 3%
5
Patents 2005

Issued Patents 2005

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
6930972 Optical information processor and optical element Youichi Saitoh, Yuichi Takahashi, Seiji Nishiwaki, Kenji Nagashima, Kazuo Momoo +1 more 2005-08-16
6920101 Optical information processor and optical element Youichi Saitoh, Yuichi Takahashi, Seiji Nishiwaki, Kenji Nagashima, Kazuo Momoo +1 more 2005-07-19
6914870 Optical head apparatus Seiji Nishiwaki, Yuichi Takahashi, Kenji Nagashima, Hiroaki Matsumiya, Youichi Saitoh +1 more 2005-07-05
6898010 Beam-shaping device, optical disc device, and fabrication method of beam-shaping device Seiji Nishiwaki, Youichi Saitoh 2005-05-24
6888787 Optical information processor and optical element Youichi Saitoh, Yuichi Takahashi, Seiji Nishiwaki, Kenji Nagashima, Kazuo Momoo +1 more 2005-05-03