Toshiyuki Zaitsu

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Switching power supply unit
- Patent number 6,888,728
- Issue date May 3, 2005
- TDK Corporation
- Masakazu Takagi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Multi-stage DC—DC converter
- Patent number 6,683,797
- Issue date Jan 27, 2004
- TDK Corporation
- Toshiyuki Zaitsu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Switching power supply unit with series connected converter circuits
- Patent number 6,650,552
- Issue date Nov 18, 2003
- TDK Corporation
- Masakazu Takagi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
DC/DC converter having a piezoelectric transformer and rectificatio...
- Patent number 6,535,407
- Issue date Mar 18, 2003
- NEC Corporation
- Toshiyuki Zaitsu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
AC/DC converter with a piezoelectric transformer
- Patent number 5,969,954
- Issue date Oct 19, 1999
- NEC Corporation
- Toshiyuki Zaitsu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Resonant DC-DC converter capable of controlling by pulse width modu...
- Patent number 5,805,432
- Issue date Sep 8, 1998
- NEC Corporation
- Toshiyuki Zaitsu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Converter comprising a piezoelectric transformer and a switching st...
- Patent number 5,768,111
- Issue date Jun 16, 1998
- NEC Corporation
- Toshiyuki Zaitsu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Converter wherein a piezoelectric transformer input signal is frequ...
- Patent number 5,739,622
- Issue date Apr 14, 1998
- NEC Corporation
- Toshiyuki Zaitsu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Piezoelectric transformer circuit using a piezoelectric transformer...
- Patent number 5,341,061
- Issue date Aug 23, 1994
- NEC Corporation
- Toshiyuki Zaitsu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Piezoelectric transformer converter for power use
- Patent number 5,329,200
- Issue date Jul 12, 1994
- NEC Corporation
- Toshiyuki Zaitsu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
Switching power supply unit
- Publication number 20040070994
- Publication date Apr 15, 2004
- TDK Corp.
- Masakazu Takagi
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Multi-stage DC-DC converter
- Publication number 20030137853
- Publication date Jul 24, 2003
- TDK Corporation
- Toshiyuki Zaitsu
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Switching power supply unit
- Publication number 20020191422
- Publication date Dec 19, 2002
- TDK Corporation
- Masakazu Takagi
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...

Toshiyuki Zaitsu

Person

Patents Grantslast 30 patents

Switching power supply unit

Multi-stage DC&#x02014;DC converter

Switching power supply unit with series connected converter circuits

DC/DC converter having a piezoelectric transformer and rectificatio...

AC/DC converter with a piezoelectric transformer

Resonant DC-DC converter capable of controlling by pulse width modu...

Converter comprising a piezoelectric transformer and a switching st...

Converter wherein a piezoelectric transformer input signal is frequ...

Piezoelectric transformer circuit using a piezoelectric transformer...

Piezoelectric transformer converter for power use

Patents Applicationslast 30 patents

Switching power supply unit

Multi-stage DC-DC converter

Switching power supply unit

Multi-stage DC—DC converter