Hiroyuki Hagiwara

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Gunma, JP

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Patents Grantslast 30 patents

Information Patent Grant
High-precision multi-band pass ΔΣ modulator
- Patent number 7,629,911
- Issue date Dec 8, 2009
- National University Corporation Gunma University
- Hiroyuki Hagiwara
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Complex band-pass filter for use in digital radio receiver and comp...
- Patent number 7,227,482
- Issue date Jun 5, 2007
- Semiconductor Technology Academic Research Center
- Hao San
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
DA converter circuit provided with DA converter of segment switched...
- Patent number 7,095,350
- Issue date Aug 22, 2006
- Semiconductor Technology Academic Research Center
- Hiroyuki Hagiwara
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
High-Precision Multi-Band Pass Delta-Sigma Modulator
- Publication number 20090167581
- Publication date Jul 2, 2009
- NATIONAL UNIVERSITY CORPORATION GUNMA UNIVERSITY
- Hiroyuki Hagiwara
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Complex band-pass filter for use in digital radio receiver and comp...
- Publication number 20060284751
- Publication date Dec 21, 2006
- Semiconductor Technology Academic Research Center
- Hao San
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
DA converter circuit provided with DA converter of segment switched...
- Publication number 20050285768
- Publication date Dec 29, 2005
- Semiconductor Technology Academic Research Center
- Hiroyuki Hagiwara
- H03 - BASIC ELECTRONIC CIRCUITRY