Akihito Nagahama

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Constant voltage circuit and electronic device including same
- Patent number 8,957,646
- Issue date Feb 17, 2015
- Ricoh Company, Ltd.
- Toshihisa Nagata
- G05 - CONTROLLING REGULATING
Information Patent Grant
Constant voltage circuit with higher speed error amplifier and curr...
- Patent number 7,772,815
- Issue date Aug 10, 2010
- Ricoh Company, Ltd.
- Tsugunori Okuda
- G05 - CONTROLLING REGULATING

Patents Applicationslast 30 patents

Information Patent Application
CONSTANT VOLTAGE CIRCUIT AND ELECTRONIC DEVICE INCLUDING SAME
- Publication number 20130154605
- Publication date Jun 20, 2013
- RICOH COMPANY, LTD.
- Toshihisa Nagata
- G05 - CONTROLLING REGULATING
Information Patent Application
Constant voltage circuit
- Publication number 20070176582
- Publication date Aug 2, 2007
- Tsugunori Okuda
- G05 - CONTROLLING REGULATING