TI

Tokuhisa Ito

PE Pentax: 2 patents #412 of 761Top 55%
AK Ashai Kogaku Kogyo Kabushiki Kaisha: 1 patents #1 of 26Top 4%
Overall (All Time): #1,675,212 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4650335 Comparison type dimension measuring method and apparatus using a laser beam in a microscope system Goro Kitamura, Hidenori Horiuchi, Masaaki Aoyama 1987-03-17
4625103 Automatic focusing device in microscope system Goro Kitamura, Hidenori Horiuchi, Masaaki Aoyama 1986-11-25
4512642 Automatic focusing apparatus in optical drawing machine Hideaki Ohno, Izumi Kurata, Takashi Okuyama 1985-04-23