Tomoko Ohtsuki

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Chiyoda, JP

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Patents Grantslast 30 patents

Information Patent Grant
Soft x-ray light source device
- Patent number 6,339,634
- Issue date Jan 15, 2002
- Nikon Corporation
- Noriaki Kandaka
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Ultraviolet laser apparatus and semiconductor exposure apparatus
- Patent number 6,088,379
- Issue date Jul 11, 2000
- Nikon Corporation
- Soichi Owa
- G02 - OPTICS
Information Patent Grant
Laser apparatus, pulsed laser oscillation method and projection exp...
- Patent number 6,078,598
- Issue date Jun 20, 2000
- Nikon Corporation
- Tomoko Ohtsuki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical elements for guiding laser light and laser systems comprisi...
- Patent number 6,049,558
- Issue date Apr 11, 2000
- Nikon Corporation
- Masaki Harada
- G02 - OPTICS
Information Patent Grant
System and method for overwriteable magneto-optical recording
- Patent number 5,329,505
- Issue date Jul 12, 1994
- IBM Corporation
- Tomoko Ohtsuki
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optical recording medium having two RE-TM layers with the s...
- Patent number 5,325,343
- Issue date Jun 28, 1994
- International Business Machines Corporation
- Tomoko Ohtsuki
- G11 - INFORMATION STORAGE
Information Patent Grant
Method , apparatus, and medium for magneto-optical recording
- Patent number 5,224,080
- Issue date Jun 29, 1993
- International Business Machines Corporation
- Tomoko Ohtsuki
- G11 - INFORMATION STORAGE