Michio Umezawa

Person

Kawasaki-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Image processing method, program, image processing apparatus, image...
- Patent number 8,186,793
- Issue date May 29, 2012
- Ricoh Company, Ltd.
- Shigetoshi Hosaka
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Method and droplet-ejecting head for droplet-ejecting recording app...
- Patent number 7,950,770
- Issue date May 31, 2011
- Ricoh Company, Ltd.
- Toshiroh Tokuno
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Image processing method, recorded matter, storage medium, image pro...
- Patent number 7,710,620
- Issue date May 4, 2010
- Ricoh Company, Ltd.
- Shigetaka Sakakibara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Ink jet printing head
- Patent number 5,818,482
- Issue date Oct 6, 1998
- Ricoh Company, Ltd.
- Yoshihisa Ohta
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink jet recording apparatus
- Patent number 5,754,202
- Issue date May 19, 1998
- Ricoh Company, Ltd.
- Takuro Sekiya
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink supply system for use in an ink-jet printer
- Patent number 4,739,347
- Issue date Apr 19, 1988
- Ricoh Company, Ltd.
- Chuji Ishikawa
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Sheet clamping device
- Patent number 4,660,825
- Issue date Apr 28, 1987
- Ricoh Company Ltd.
- Michio Umezawa
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Liquid level detector for ink jet printer
- Patent number 4,626,874
- Issue date Dec 2, 1986
- Ricoh Company, Ltd.
- Toshiharu Murai
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Receptacle for waste ink collection in ink jet recording apparatus
- Patent number 4,524,365
- Issue date Jun 18, 1985
- Ricoh Company, Ltd.
- Sadao Kakeno
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Paper loading apparatus
- Patent number 4,451,169
- Issue date May 29, 1984
- Ricoh Company, Ltd.
- Michio Umezawa
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink ejection head
- Patent number 4,449,135
- Issue date May 15, 1984
- Ricoh Company, Ltd.
- Michio Umezawa
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink ejection head
- Patent number 4,429,317
- Issue date Jan 31, 1984
- Ricoh Company, Ltd.
- Michio Umezawa
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Apparatus and method for separating a single sheet from a stack and...
- Patent number 4,420,150
- Issue date Dec 13, 1983
- Ricoh Company, Ltd.
- Michio Umezawa
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Ink-jet printing head
- Patent number 4,388,627
- Issue date Jun 14, 1983
- Ricoh Co., Ltd.
- Michio Umezawa
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Sheet feed apparatus for printer or the like
- Patent number 4,369,964
- Issue date Jan 25, 1983
- Ricoh Company, Ltd.
- Koichiro Jinnai
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL

Patents Applicationslast 30 patents

Information Patent Application
Method and droplet-ejecting head for droplet-ejecting recording app...
- Publication number 20070222812
- Publication date Sep 27, 2007
- Toshiroh Tokuno
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Image processing method, recorded matter, storage medium, image pro...
- Publication number 20070106962
- Publication date May 10, 2007
- Shigetaka Sakakibara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Michio Umezawa

Person

Patents Grantslast 30 patents

Image processing method, program, image processing apparatus, image...

Method and droplet-ejecting head for droplet-ejecting recording app...

Image processing method, recorded matter, storage medium, image pro...

Ink jet printing head

Ink jet recording apparatus

Ink supply system for use in an ink-jet printer

Sheet clamping device

Liquid level detector for ink jet printer

Receptacle for waste ink collection in ink jet recording apparatus

Paper loading apparatus

Ink ejection head

Ink ejection head

Apparatus and method for separating a single sheet from a stack and...

Ink-jet printing head

Sheet feed apparatus for printer or the like

Patents Applicationslast 30 patents

Method and droplet-ejecting head for droplet-ejecting recording app...

Image processing method, recorded matter, storage medium, image pro...