Kosaku Sawabe

Follow

Person

Narita, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Apparatus for preventing static electricity of plastic lens
- Patent number 4,985,719
- Issue date Jan 15, 1991
- Ricoh Company, Ltd.
- Ikuya Tsurukawa
- G02 - OPTICS
Information Patent Grant
Drive device for a varifocal lens system
- Patent number 4,950,061
- Issue date Aug 21, 1990
- Ricoh Company, Ltd.
- Ikuya Tsurukawa
- G02 - OPTICS
Information Patent Grant
Distance measuring device for automatic focusing camera
- Patent number 4,908,648
- Issue date Mar 13, 1990
- Ricoh Company, Ltd.
- Kosaku Sawabe
- G02 - OPTICS
Information Patent Grant
Varifocal camera
- Patent number 4,847,648
- Issue date Jul 11, 1989
- Ricoh Company, Ltd.
- Kunihisa Yamaguchi
- G02 - OPTICS