Tatsuo Hirono

Person

Kawasaki, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Image reading apparatus, image reading method and image processing...
- Patent number 7,787,157
- Issue date Aug 31, 2010
- Ricoh Company, Ltd.
- Kohji Matsuda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image forming apparatus, image processing unit, and image forming m...
- Patent number 7,062,185
- Issue date Jun 13, 2006
- Ricoh Company, Ltd.
- Manabu Izumikawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Double-sided image forming apparatus and method
- Patent number 7,016,636
- Issue date Mar 21, 2006
- Ricoh Company, Ltd.
- Takamasa Hayashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus capable of creating duplex mixed full color...
- Patent number 5,162,859
- Issue date Nov 10, 1992
- Ricoh Company, Ltd.
- Tatsuo Hirono
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus having a separate black developer stored fo...
- Patent number 5,160,969
- Issue date Nov 3, 1992
- Ricoh Company, Ltd.
- Kenichi Mizuma
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus for forming an image on one or both sides o...
- Patent number 5,159,392
- Issue date Oct 27, 1992
- Ricoh Company, Ltd.
- Nobuo Kasahara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image recorder with variable fuser nip entry position
- Patent number 5,142,339
- Issue date Aug 25, 1992
- Ricoh Company, Ltd.
- Nobuo Kasahara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Copying system having copying and service program modes
- Patent number 4,799,081
- Issue date Jan 17, 1989
- Ricoh Company, Ltd.
- Mitsutoyo Kikuno
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Guidance device for manipulation of machine
- Patent number 4,682,158
- Issue date Jul 21, 1987
- Ricoh Company, Ltd.
- Masaji Ito
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Power supply control device for copier having timer
- Patent number 4,677,310
- Issue date Jun 30, 1987
- Ricoh Company, Ltd.
- Akira Midorikawa
- G05 - CONTROLLING REGULATING

Patents Applicationslast 30 patents

Information Patent Application
Image reading apparatus, image reading method and image processing...
- Publication number 20060126125
- Publication date Jun 15, 2006
- Kohji Matsuda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Image forming apparatus, image processing unit, and image forming m...
- Publication number 20050141907
- Publication date Jun 30, 2005
- Manabu Izumikawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Double-sided image forming apparatus and method
- Publication number 20040170452
- Publication date Sep 2, 2004
- RICOH COMPANY, LTD.
- Takamasa Hayashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Tatsuo Hirono

Person

Patents Grantslast 30 patents

Image reading apparatus, image reading method and image processing...

Image forming apparatus, image processing unit, and image forming m...

Double-sided image forming apparatus and method

Image forming apparatus capable of creating duplex mixed full color...

Image forming apparatus having a separate black developer stored fo...

Image forming apparatus for forming an image on one or both sides o...

Image recorder with variable fuser nip entry position

Copying system having copying and service program modes

Guidance device for manipulation of machine

Power supply control device for copier having timer

Patents Applicationslast 30 patents

Image reading apparatus, image reading method and image processing...

Image forming apparatus, image processing unit, and image forming m...

Double-sided image forming apparatus and method