Hiroyuki Abe

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Sendai, JP

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Patents Grantslast 30 patents

Information Patent Grant
Communication device and communication method
- Patent number 9,331,788
- Issue date May 3, 2016
- Ricoh Company, Limited
- Hiroyuki Abe
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Voltage-controlled oscillator including current control element
- Patent number 6,271,730
- Issue date Aug 7, 2001
- Ricoh Company, Ltd.
- Hiroyuki Abe
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Image detecting unit having emitting means and light receiving mean...
- Patent number 5,146,082
- Issue date Sep 8, 1992
- Ricoh Company, Ltd.
- Hiroyuki Abe
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
COMMUNICATION DEVICE AND COMMUNICATION METHOD
- Publication number 20130188956
- Publication date Jul 25, 2013
- Hiroyuki ABE
- H04 - ELECTRIC COMMUNICATION TECHNIQUE