Hiroshi Hosaka

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Image forming apparatus and method of controlling energy saving mode
- Patent number 7,580,651
- Issue date Aug 25, 2009
- Ricoh Company, Ltd.
- Yoshiyuki Namizuka
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Image forming apparatus
- Patent number 5,918,087
- Issue date Jun 29, 1999
- Ricoh Company, Ltd.
- Yoshiyuki Kimura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus that searches for toner cartridges in need...
- Patent number 5,887,217
- Issue date Mar 23, 1999
- Ricoh Company, Ltd.
- Yoshihiro Mitekura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus with a sensing device that determines the p...
- Patent number 5,862,430
- Issue date Jan 19, 1999
- Ricoh Company, Ltd.
- Yoshihiro Mitekura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image recording apparatus
- Patent number 5,774,232
- Issue date Jun 30, 1998
- Ricoh Company, Ltd.
- Yasuhiro Tabata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image synthesizing method and image recording apparatus which elect...
- Patent number 5,745,664
- Issue date Apr 28, 1998
- Ricoh Company, Ltd.
- Takakazu Nomura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image recording apparatus
- Patent number 5,717,843
- Issue date Feb 10, 1998
- Ricoh Company, Ltd.
- Yasuhiro Tabata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Matrix relay
- Patent number 5,712,608
- Issue date Jan 27, 1998
- Masushita Electric Works, Ltd.
- Tsutomu Shimomura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Image recording apparatus
- Patent number 5,602,651
- Issue date Feb 11, 1997
- Ricoh Company, Ltd.
- Yasuhiro Tabata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Magnetic shield-forming magnetically soft powder, composition there...
- Patent number 4,923,533
- Issue date May 8, 1990
- TDK Corporation
- Masao Shigeta
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Color image forming apparatus
- Patent number 4,916,547
- Issue date Apr 10, 1990
- Ricoh Company, Ltd.
- Akio Katsumata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Magnetic recording medium and method of fabricating it
- Patent number 4,335,183
- Issue date Jun 15, 1982
- Tokyo Magnetic Printing Co., Ltd.
- Hiroshi Hosaka
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Patents Applicationslast 30 patents

Information Patent Application
IMAGE DATA TRANSMISSION DEVICE, IMAGE DATA RECEPTION DEVICE, AND IM...
- Publication number 20160227052
- Publication date Aug 4, 2016
- RICOH COMPANY, LIMITED
- Hiroshi HOSAKA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Image forming apparatus and method of controlling energy saving mode
- Publication number 20050271410
- Publication date Dec 8, 2005
- Yoshiyuki Namizuka
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Image forming apparatus and method of making function settings thereto
- Publication number 20050260009
- Publication date Nov 24, 2005
- Yoshiyuki Namizuka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Hiroshi Hosaka

Person

Patents Grantslast 30 patents

Image forming apparatus and method of controlling energy saving mode

Image forming apparatus

Image forming apparatus that searches for toner cartridges in need...

Image forming apparatus with a sensing device that determines the p...

Image recording apparatus

Image synthesizing method and image recording apparatus which elect...

Image recording apparatus

Matrix relay

Image recording apparatus

Magnetic shield-forming magnetically soft powder, composition there...

Color image forming apparatus

Magnetic recording medium and method of fabricating it

Patents Applicationslast 30 patents

IMAGE DATA TRANSMISSION DEVICE, IMAGE DATA RECEPTION DEVICE, AND IM...

Image forming apparatus and method of controlling energy saving mode

Image forming apparatus and method of making function settings thereto