Fumio Murooka

Person

Atsugi-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Liquid discharge head
- Patent number 7,350,891
- Issue date Apr 1, 2008
- Canon Kabushiki Kaisha
- Masanobu Oomura
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Method for manufacturing liquid ejection head
- Patent number 7,250,113
- Issue date Jul 31, 2007
- Canon Kabushiki Kaisha
- Hirokazu Komuro
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Print head and printer apparatus using the same
- Patent number 6,520,611
- Issue date Feb 18, 2003
- Canon Kabushiki Kaisha
- Hiroyuki Ishinaga
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Substrate for thermal recording head, ink jet recording head using...
- Patent number 6,471,339
- Issue date Oct 29, 2002
- Canon Kabushiki Kaisha
- Yuji Kamiyama
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Substrate unit for liquid discharging head, method for producing th...
- Patent number 6,467,884
- Issue date Oct 22, 2002
- Canon Kabushiki Kaisha
- Fumio Murooka
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Recording head and recording apparatus using the same
- Patent number 6,464,320
- Issue date Oct 15, 2002
- Canon Kabushiki Kaisha
- Hiroyuki Maru
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Element substrate having connecting wiring between heat generating...
- Patent number 6,439,690
- Issue date Aug 27, 2002
- Canon Kabushiki Kaisha
- Hiroyuki Ishinaga
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Substrate for thermal recording head, ink jet recording head using...
- Patent number 6,257,695
- Issue date Jul 10, 2001
- Canon Kabushiki Kaisha
- Yuji Kamiyama
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Print head with driving, transmission and control devices on single...
- Patent number 6,243,109
- Issue date Jun 5, 2001
- Canon Kabushiki Kaisha
- Hiroyuki Ishinaga
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Recording head and recording apparatus using the same
- Patent number 6,224,195
- Issue date May 1, 2001
- Canon Kabushiki Kaisha
- Hiroyuki Maru
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Substrate for thermal recording head, ink jet recording head using...
- Patent number 5,943,070
- Issue date Aug 24, 1999
- Canon Kabushiki Kaisha
- Yuji Kamiyama
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink jet head with preliminary heater element
- Patent number 5,880,762
- Issue date Mar 9, 1999
- Canon Kabushiki Kaisha
- Hiroyuki Ishinaga
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Printhead, printing apparatus and printing method using printhead
- Patent number 5,877,784
- Issue date Mar 2, 1999
- Canon Kabushiki Kaisha
- Hiroyuki Maru
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Ink jet head, ink jet head cartridge and ink jet apparatus
- Patent number 5,731,828
- Issue date Mar 24, 1998
- Canon Kabushiki Kaisha
- Hiroyuki Ishinaga
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Method of making a planar wiring in an insulated groove using alkyl...
- Patent number 5,614,439
- Issue date Mar 25, 1997
- Canon Kabushiki Kaisha
- Fumio Murooka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Ink-jet type recording head and monolithic integrated circuit suita...
- Patent number 5,602,576
- Issue date Feb 11, 1997
- Canon Kabushiki Kaisha
- Fumio Murooka
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Signal generating device
- Patent number 5,355,099
- Issue date Oct 11, 1994
- Canon Kabushiki Kaisha
- Fumio Murooka
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Digital-to-analog converter having common adjustment means
- Patent number 4,982,192
- Issue date Jan 1, 1991
- Canon Kabushiki Kaisha
- Fumio Murooka
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
Liquid dischage head
- Publication number 20050237353
- Publication date Oct 27, 2005
- Canon Kabushiki Kaisha
- Masanobu Oomura
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Method for manufacturing liquid ejection head
- Publication number 20040259372
- Publication date Dec 23, 2004
- Canon Kabushiki Kaisha
- Hirokazu Komuro
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Elements substrate having connecting wiring between heat generating...
- Publication number 20010033304
- Publication date Oct 25, 2001
- Hiroyuki Ishinaga
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Print head and printer apparatus using the same
- Publication number 20010001558
- Publication date May 24, 2001
- Hiroyuki Ishinaga
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Fumio Murooka

Person

Patents Grantslast 30 patents

Liquid discharge head

Method for manufacturing liquid ejection head

Print head and printer apparatus using the same

Substrate for thermal recording head, ink jet recording head using...

Substrate unit for liquid discharging head, method for producing th...

Recording head and recording apparatus using the same

Element substrate having connecting wiring between heat generating...

Substrate for thermal recording head, ink jet recording head using...

Print head with driving, transmission and control devices on single...

Recording head and recording apparatus using the same

Substrate for thermal recording head, ink jet recording head using...

Ink jet head with preliminary heater element

Printhead, printing apparatus and printing method using printhead

Ink jet head, ink jet head cartridge and ink jet apparatus

Method of making a planar wiring in an insulated groove using alkyl...

Ink-jet type recording head and monolithic integrated circuit suita...

Signal generating device

Digital-to-analog converter having common adjustment means

Patents Applicationslast 30 patents

Liquid dischage head

Method for manufacturing liquid ejection head

Elements substrate having connecting wiring between heat generating...

Print head and printer apparatus using the same