Hidetoshi Hamai

Follow

Person

Iizuka-Shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
AC adapter having a function for lowering and heightening an adapte...
- Patent number 7,071,655
- Issue date Jul 4, 2006
- Mitsumi Electric Co., Ltd.
- Kouji Murakami
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Charging circuit and battery charger
- Patent number 6,794,851
- Issue date Sep 21, 2004
- Mitsumi Electric Co., Ltd.
- Kouji Murakami
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
AC adapter that can narrow the blade distance when the plug is stor...
- Patent number 6,641,412
- Issue date Nov 4, 2003
- Mitsumi Electric Co., Ltd.
- Hisayoshi Kitagawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Pin configuration adapter for AC-adapter
- Patent number 6,638,113
- Issue date Oct 28, 2003
- Mitsumi Electric Co., Ltd.
- Terutomo Kajiwara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electronic device with AC plug
- Patent number 6,273,734
- Issue date Aug 14, 2001
- Mitsumi Electric Co., Ltd.
- Akihiro Ikeda
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
AC adapter having a function for lowering and heightening an adapte...
- Publication number 20050007069
- Publication date Jan 13, 2005
- Mitsumi Electric Co. Ltd.
- Kouji Murakami
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
CHARGING CIRCUIT AND BATTERY CHARGER
- Publication number 20030160592
- Publication date Aug 28, 2003
- Kouji Murakami
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
AC adapter that can narrow the blade distance when the plug is stor...
- Publication number 20020187667
- Publication date Dec 12, 2002
- Hisayoshi Kitagawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Power adapter device
- Publication number 20020137382
- Publication date Sep 26, 2002
- Hironori Shirakura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
AC-adapter and pin configuration adapter for AC-adapter
- Publication number 20020127918
- Publication date Sep 12, 2002
- Terutomo Kajiwara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Pin configuration adapter for AC-adapter
- Publication number 20020081906
- Publication date Jun 27, 2002
- Terutomo Kajiwara
- H01 - BASIC ELECTRIC ELEMENTS