KM

Koutaro Matsuura

SC Sanyo Electric Co.: 3 patents #10 of 357Top 3%
UN Unknown: 1 patents #172 of 2,033Top 9%
Overall (1994): #11,194 of 165,921Top 7%
3
Patents 1994

Issued Patents 1994

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5376511 Optical recording medium Fumio Tatezono, Masahiro Irie, Toshio Harada 1994-12-27
5316900 Optical recording medium having a constant birefringent property and an alterable photochromic property Tsuyoshi Tsujioka, Fumio Tatezono, Masahiro Irie 1994-05-31
5281501 Method of recording and reproducing for optical recording medium Fumio Tatezono, Irie Masahiro, Toshio Tanuma, Toshio Harada 1994-01-25