SM

Shizuo Matsumaru

NI Nikon: 1 patents #1,647 of 2,493Top 70%
NK Nippon Kogaku K.K.: 1 patents #221 of 382Top 60%
Overall (All Time): #2,196,090 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6816235 Optical glass and projection exposure apparatus using the same Kazuhiro Kido, Masahiko Sugisaki 2004-11-09
4285729 Dense crown optical glass — 1981-08-25