Shigetaka Tanaka

Person

Atsugi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for group 3 facsimile capable of properly perf...
- Patent number 7,227,654
- Issue date Jun 5, 2007
- Ricoh Company, Ltd.
- Shigetaka Tanaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communications terminal apparatus capable of detecting wide range o...
- Patent number 6,097,796
- Issue date Aug 1, 2000
- Ricoh Company, Ltd.
- Shigetaka Tanaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Facsimile machine having a transmission speed selective shiftdown f...
- Patent number 5,159,465
- Issue date Oct 27, 1992
- Ricoh Company, Ltd.
- Koichiro Maemura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Facsimile communication method and facsimile machine
- Patent number 5,140,439
- Issue date Aug 18, 1992
- Ricoh Company, Ltd.
- Shigetaka Tanaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Digital transmission device having an error correction mode and met...
- Patent number 5,105,423
- Issue date Apr 14, 1992
- Ricoh Company, Ltd.
- Shigetaka Tanaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Error-corrected facsimile communication control system
- Patent number 5,077,742
- Issue date Dec 31, 1991
- Ricoh Company, Ltd.
- Naoki Tsumura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Digital modulator/demodulator including non-linear analog-to-digita...
- Patent number 4,800,574
- Issue date Jan 24, 1989
- Ricoh Company, Ltd.
- Shigetaka Tanaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Equalization system tuning device which updates equalizer coefficie...
- Patent number 4,679,208
- Issue date Jul 7, 1987
- Ricoh Company, Ltd.
- Shigetaka Tanaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Synchronization detection system for data transmission
- Patent number 4,608,703
- Issue date Aug 26, 1986
- Ricoh Company, Ltd.
- Mitsuru Kaga
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Shigetaka Tanaka

Person

Patents Grantslast 30 patents

Method and apparatus for group 3 facsimile capable of properly perf...

Communications terminal apparatus capable of detecting wide range o...

Facsimile machine having a transmission speed selective shiftdown f...

Facsimile communication method and facsimile machine

Digital transmission device having an error correction mode and met...

Error-corrected facsimile communication control system

Digital modulator/demodulator including non-linear analog-to-digita...

Equalization system tuning device which updates equalizer coefficie...

Synchronization detection system for data transmission