HI

Hisao Izawa

NK Nippon Kogaku K.K.: 4 patents #88 of 382Top 25%
NI Nikon: 2 patents #1,269 of 2,493Top 55%
Overall (All Time): #889,650 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
5539521 Method of and apparatus for measuring pattern positions Taro Otokake, Takashi Endo, Kazuhiro Takaoka 1996-07-23
5459577 Method of and apparatus for measuring pattern positions Taro Ototake, Takashi Endo, Kazuhiro Takaoka 1995-10-17
4685805 Small gap measuring apparatus Kenichi Kodama, Akikazu Tanimoto, Yoichi Hamashima, Junji Hazama 1987-08-11
4636626 Apparatus for aligning mask and wafer used in semiconductor circuit element fabrication Junji Hazama, Kinya Kato, Akikazu Tanimoto 1987-01-13
4598242 Mask feed method and apparatus for exposure replicate systems Yutaka Hayashi 1986-07-01
4537501 Apparatus for the attitude control of plate-form body Yukio Kakizaki, Junji Hazama 1985-08-27