-
-
-
-
-
Color image forming apparatus
-
Patent number 6,118,557
-
Issue date Sep 12, 2000
-
Ricoh Company, Ltd.
-
Mitsugu Sugiyama
-
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
-
-
-
Color image forming apparatus
-
Patent number 5,821,970
-
Issue date Oct 13, 1998
-
Ricoh Company, Ltd.
-
Eiichi Sasaki
-
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
-
-
-
-
-
-
-
-
-
Color image forming apparatus
-
Patent number 5,440,373
-
Issue date Aug 8, 1995
-
Ricoh Company, Ltd.
-
Tsuyoshi Deki
-
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
-
-
-
Line head driving apparatus
-
Patent number 5,086,306
-
Issue date Feb 4, 1992
-
Ricoh Company, Ltd.
-
Eiichi Sasaki
-
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
-
-
-
-
Thermal-head driving apparatus
-
Patent number 4,973,984
-
Issue date Nov 27, 1990
-
Ricoh Company, Ltd.
-
Eiichi Sasaki
-
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
-
-
Method of driving thermal head
-
Patent number 4,873,535
-
Issue date Oct 10, 1989
-
Ricoh Company, Ltd.
-
Eiichi Sasaki
-
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
-
-
-
Thermal head driving device
-
Patent number 4,675,697
-
Issue date Jun 23, 1987
-
Ricoh Company, Ltd.
-
Eiichi Sasaki
-
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
-
Thermal transfer printing method
-
Patent number 4,660,051
-
Issue date Apr 21, 1987
-
Ricoh Company, Ltd.
-
Eiichi Sasaki
-
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS