Tokuhisa Ito

Follow

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Comparison type dimension measuring method and apparatus using a la...
- Patent number 4,650,335
- Issue date Mar 17, 1987
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Tokuhisa Ito
- G01 - MEASURING TESTING
Information Patent Grant
Automatic focusing device in microscope system
- Patent number 4,625,103
- Issue date Nov 25, 1986
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Goro Kitamura
- G02 - OPTICS
Information Patent Grant
Automatic focusing apparatus in optical drawing machine
- Patent number 4,512,642
- Issue date Apr 23, 1985
- Ashai Kogaku Kogyo Kabushiki Kaisha
- Tokuhisa Ito
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY