Toshiaki Asano

Follow

Person

Yokohama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
High magnification range zoom lens
- Patent number 4,720,180
- Issue date Jan 19, 1988
- Canon Kabushiki Kaisha
- Toshiaki Asano
- G02 - OPTICS
Information Patent Grant
Rear focus zoom lens
- Patent number 4,712,883
- Issue date Dec 15, 1987
- Canon Kabushiki Kaisha
- Masatake Kato
- G02 - OPTICS
Information Patent Grant
Optical device
- Patent number 4,685,766
- Issue date Aug 11, 1987
- Canon Kabushiki Kaisha
- Yukuo Nishimura
- G02 - OPTICS
Information Patent Grant
Zoom lens
- Patent number 4,653,874
- Issue date Mar 31, 1987
- Canon Kabushiki Kaisha
- Sadatoshi Takahashi
- G02 - OPTICS
Information Patent Grant
Optical display utilizing thermally formed bubble in a liquid core...
- Patent number 4,640,592
- Issue date Feb 3, 1987
- Canon Kabushiki Kaisha
- Yukuo Nishimura
- G02 - OPTICS
Information Patent Grant
Zoom objective
- Patent number 4,515,446
- Issue date May 7, 1985
- Canon Kabushiki Kaisha
- Sadatoshi Takahashi
- G02 - OPTICS
Information Patent Grant
Light emitting diode
- Patent number 4,301,461
- Issue date Nov 17, 1981
- Canon Kabushiki Kaisha
- Toshiaki Asano
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Scanning device with optical path length compensator
- Patent number 4,259,004
- Issue date Mar 31, 1981
- Canon Kabushiki Kaisha
- Masamichi Tateoka
- G02 - OPTICS