Junko Yamanaka

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Koto-ku, Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Charge pump rush current limiting circuit
- Patent number 6,738,272
- Issue date May 18, 2004
- Seiko Instruments Inc.
- Junko Yamanaka
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method of manufacturing a semiconductor detector for detecting ligh...
- Patent number 6,001,667
- Issue date Dec 14, 1999
- Seiko Instruments Inc.
- Yutaka Saitoh
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Avalanche photodiode for light detection
- Patent number 5,763,903
- Issue date Jun 9, 1998
- Seiko Instruments Inc.
- Masaaki Mandai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Photoelectric conversion semiconductor device with insulation film
- Patent number 5,719,414
- Issue date Feb 17, 1998
- Keiji Sato
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Charge pump rash current limiting circuit
- Publication number 20020154524
- Publication date Oct 24, 2002
- Junko Yamanaka
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC