MY

Masahiro Yamaoka

PA Panasonic: 17 patents #1,285 of 21,108Top 7%
HI Hitachi: 4 patents #8,942 of 28,497Top 35%
HH Hitachi High-Technologies: 4 patents #776 of 1,917Top 45%
HO Horiba: 1 patents #319 of 604Top 55%
Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
Overall (All Time): #144,991 of 4,157,543Top 4%
27
Patents All Time

Issued Patents All Time

Showing 26–27 of 27 patents

Patent #TitleCo-InventorsDate
6687013 Laser interferometer displacement measuring system, exposure apparatus, and electron beam lithography apparatus Fumio Isshiki, Masakazu Sugaya, Tatsundo Suzuki, Sumio Hosaka 2004-02-03
5065034 Charged particle beam apparatus Yoshimi Kawanami, Tsuyoshi Ohnishi, Tohru Ishitani, Tooru Habu 1991-11-12