Hiroshi Tatsumi

Person

Tenri, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Blade for a developing device
- Patent number 6,823,164
- Issue date Nov 23, 2004
- Sharp Kabushiki Kaisha
- Hiroshi Tatsumi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing apparatus
- Patent number 6,603,944
- Issue date Aug 5, 2003
- Sharp Kabushiki Kaisha
- Hiroshi Tatsumi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developer unit with cleaning element
- Patent number 6,339,686
- Issue date Jan 15, 2002
- Sharp Kabushiki Kaisha
- Takayuki Yamanaka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner developing device for an image forming apparatus
- Patent number 6,282,394
- Issue date Aug 28, 2001
- Sharp Kabushiki Kaisha
- Takashi Sakai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing unit having elastic blade
- Patent number 6,212,348
- Issue date Apr 3, 2001
- Sharp Kabushiki Kaisha
- Atsushi Inoue
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Contact depth controlling roller mechanism
- Patent number 6,178,303
- Issue date Jan 23, 2001
- Sharp Kabushiki Kaisha
- Hiroshi Ishii
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 6,097,918
- Issue date Aug 1, 2000
- Sharp Kabushiki Kaisha
- Atsushi Inoue
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing apparatus using one-component toner
- Patent number 6,064,463
- Issue date May 16, 2000
- Sharp Kabushiki Kaisha
- Masanori Yamada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing apparatus with vibration absorbtion device
- Patent number 6,049,689
- Issue date Apr 11, 2000
- Sharp Kabushiki Kaisha
- Hiroshi Ishii
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing apparatus having means for removing electric charge of t...
- Patent number 6,035,171
- Issue date Mar 7, 2000
- Sharp Kabushiki Kaisha
- Toshihiko Takaya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Monocomponent development apparatus
- Patent number 6,032,003
- Issue date Feb 29, 2000
- Sharp Kabushiki Kaisha
- Hiroshi Tatsumi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing apparatus using one-component toner
- Patent number 6,026,266
- Issue date Feb 15, 2000
- Sharp Kabushiki Kaisha
- Takashi Sakai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image developing device using a one-component toner
- Patent number 5,978,635
- Issue date Nov 2, 1999
- Sharp Kabushiki Kaisha
- Nobuyuki Azuma
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Phase detecting circuit of brushless motor and magnetic recording a...
- Patent number 5,920,163
- Issue date Jul 6, 1999
- Sharp Kabushiki Kaisha
- Hiroshi Tatsumi
- G11 - INFORMATION STORAGE
Information Patent Grant
Brushless motor driven by applying varying driving signals
- Patent number 5,874,814
- Issue date Feb 23, 1999
- Sharp Kabushiki Kaisha
- Hiroshi Tatsumi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
Non-magnetic mono-component developing device
- Publication number 20030235438
- Publication date Dec 25, 2003
- Hiroshi Tatsumi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Developing apparatus
- Publication number 20010026715
- Publication date Oct 4, 2001
- Hiroshi Tatsumi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Developer unit
- Publication number 20010005458
- Publication date Jun 28, 2001
- Takayuki Yamanaka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Hiroshi Tatsumi

Person

Patents Grantslast 30 patents

Blade for a developing device

Developing apparatus

Developer unit with cleaning element

Toner developing device for an image forming apparatus

Developing unit having elastic blade

Contact depth controlling roller mechanism

Image forming apparatus

Developing apparatus using one-component toner

Developing apparatus with vibration absorbtion device

Developing apparatus having means for removing electric charge of t...

Monocomponent development apparatus

Developing apparatus using one-component toner

Image developing device using a one-component toner

Phase detecting circuit of brushless motor and magnetic recording a...

Brushless motor driven by applying varying driving signals

Patents Applicationslast 30 patents

Non-magnetic mono-component developing device

Developing apparatus

Developer unit