Inventor
HEINZL JOACHIM
DE39 patents
⚠️ This page may combine multiple inventors who share the name “HEINZL JOACHIM”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SIEMENS AG
24 patentsUS4544933AOct 1, 1985
Apparatus and method for ink droplet ejection for a printer
SIEMENS AG61 citations96
US4320406AMar 16, 1982
Ink printing device for multi-colored printing of a recording medium
SIEMENS AG85 citations96
US4158847AJun 19, 1979
Piezoelectric operated printer head for ink-operated mosaic printer units
SIEMENS AG98 citations96
US4253103AFeb 24, 1981
Ink supply container for ink writing systems
SIEMENS AG88 citations94
US4716418ADec 29, 1987
Apparatus and method for ejecting ink droplets
SIEMENS AG29 citations92
US4620201AOct 28, 1986
Magnetic driver ink jet
SIEMENS AG55 citations92
US4202267AMay 13, 1980
Device for monitoring the ink supply in ink-operated printers
SIEMENS AG53 citations92
US4149172AApr 10, 1979
Ink supply system for piezoelectrically operated printing jets
SIEMENS AG89 citations92
US4367482AJan 4, 1983
Method and apparatus for representing polychromatic half-tone images
SIEMENS AG25 citations82
US4084681AApr 18, 1978
Drive system for writing carriages in printing systems
SIEMENS AG28 citations82
US4888598ADec 19, 1989
Ink writing head with piezoelectrically excitable membrane
SIEMENS AG21 citations78
US4379304AApr 5, 1983
Screen for a mosaic ink recorder
SIEMENS AG13 citations74
US4374388AFeb 15, 1983
Method and an arrangement for depicting a half-tone image
SIEMENS AG15 citations74
US4270589AJun 2, 1981
Container of variable volume
SIEMENS AG11 citations74
US4266250AMay 5, 1981
Arrangement for the optoelectrical scanning of a master
SIEMENS AG9 citations74
US4204090AMay 20, 1980
Process and an arrangement for reducing the redundancy of binary character sequences which describe characters or graphic patterns
SIEMENS AG7 citations74
US4368477AJan 11, 1983
Arrangement for a printing head in ink mosaic printing devices
SIEMENS AG13 citations73
US4095238AJun 13, 1978
Piezoelectric drive element for the printer heads used in ink-operated mosaic printer units
SIEMENS AG9 citations73
US4412256AOct 25, 1983
Method and apparatus for the representation of gray scale values in facsimile transmission
SIEMENS AG10 citations66
US4223998ASep 23, 1980
Piezo-electric actuating element for recording heads
SIEMENS AG4 citations63
US4200769AApr 29, 1980
Process and arrangement for selectively transmitting predetermined characters or graphic patterns
SIEMENS AG5 citations63
US3968386AJul 6, 1976
Arrangement for actuating dot-producing printing elements of a mosaic printing head
SIEMENS AG4 citations63
US4266280AMay 5, 1981
Method for storing serial data on a recording carrier
SIEMENS AG3 citations49
US4215238AJul 29, 1980
Method of and apparatus for printed character transmission and reception
SIEMENS AG0 citations42
EASTMAN KODAK CO
3 patentsUS5502471AMar 26, 1996
System for an electrothermal ink jet print head
EASTMAN KODAK CO116 citations96
US5886716AMar 23, 1999
Method and apparatus for variation of ink droplet velocity and droplet mass in thermal ink-jet print heads
EASTMAN KODAK CO23 citations91
US5760804AJun 2, 1998
Ink-jet printing head for a liquid-jet printing device operating on the heat converter principle and process for making it
EASTMAN KODAK CO40 citations91