Shunji Umemura

Person

Nagano-ken, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Projection lens, producing method of projection lens and projector...
- Patent number 7,061,699
- Issue date Jun 13, 2006
- Seiko Epson Corporation
- Nobuo Watanabe
- G02 - OPTICS
Information Patent Grant
Lens evaluation method and lens-evaluating apparatus
- Patent number 6,989,894
- Issue date Jan 24, 2006
- Seiko Epson Corporation
- Masashi Kitabayashi
- G01 - MEASURING TESTING
Information Patent Grant
Projection lens manufacturing apparatus, projection lens manufactur...
- Patent number 6,829,111
- Issue date Dec 7, 2004
- Seiko Epson Corporation
- Shohei Fujisawa
- G02 - OPTICS
Information Patent Grant
Lens evaluation method and lens-evaluating apparatus
- Patent number 6,760,097
- Issue date Jul 6, 2004
- Seiko Epson Corporation
- Masashi Kitabayashi
- G01 - MEASURING TESTING
Information Patent Grant
Lens-evaluating method and lens-evaluating apparatus
- Patent number 6,760,096
- Issue date Jul 6, 2004
- Seiko Epson Corporation
- Masashi Kitabayashi
- G01 - MEASURING TESTING
Information Patent Grant
Print head device and ink jet printer including the print head device
- Patent number 6,502,932
- Issue date Jan 7, 2003
- Seiko Epson Corporation
- Shunji Umemura
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink cartridge device
- Patent number 6,412,933
- Issue date Jul 2, 2002
- Seiko Epson Corporation
- Shunji Umemura
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink cartridge device
- Patent number 6,286,946
- Issue date Sep 11, 2001
- Seiko Epson Corporation
- Shunji Umemura
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Printer ink cartridge and ink cartridge device including the same
- Patent number 6,283,587
- Issue date Sep 4, 2001
- Seiko Epson Corporation
- Shunji Umemura
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink cartridge for printers
- Patent number 6,250,745
- Issue date Jun 26, 2001
- Seiko Epson Corporation
- Shunji Umemura
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Printhead unit and ink cartridge
- Patent number 6,244,698
- Issue date Jun 12, 2001
- Seiko Epson Corporation
- Masahiko Chino
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink cartridge and method of disassembling the same
- Patent number 6,220,701
- Issue date Apr 24, 2001
- Seiko Epson Corporation
- Shunji Umemura
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Patents Applicationslast 30 patents

Information Patent Application
Lens evaluation method and lens-evaluating apparatus
- Publication number 20040179191
- Publication date Sep 16, 2004
- SEIKO EPSON CORPORATION
- Masashi Kitabayashi
- G01 - MEASURING TESTING
Information Patent Application
Projection lens manufacturing apparatus, projection lens manufactur...
- Publication number 20040061947
- Publication date Apr 1, 2004
- SEIKO EPSON CORPORATION
- Shohei Fujisawa
- G02 - OPTICS
Information Patent Application
Projection lens, producing method of projection lens and projector...
- Publication number 20030210479
- Publication date Nov 13, 2003
- SEIKO EPSON CORPORATION
- Nobuo Watanabe
- G02 - OPTICS
Information Patent Application
Lens-evaluating method and lens-evaluating apparatus
- Publication number 20030048436
- Publication date Mar 13, 2003
- SEIKO EPSON CORPORATION
- Masashi Kitabayashi
- G01 - MEASURING TESTING
Information Patent Application
Lens evaluation method and lens-evaluating apparatus
- Publication number 20020044275
- Publication date Apr 18, 2002
- SEIKO EPSON CORPORATION
- Masashi Kitabayashi
- G01 - MEASURING TESTING
Information Patent Application
Ink cartridge device
- Publication number 20010038407
- Publication date Nov 8, 2001
- Seiko Epson Corporation
- Shunji Umemura
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Shunji Umemura

Person

Patents Grantslast 30 patents

Projection lens, producing method of projection lens and projector...

Lens evaluation method and lens-evaluating apparatus

Projection lens manufacturing apparatus, projection lens manufactur...

Lens evaluation method and lens-evaluating apparatus

Lens-evaluating method and lens-evaluating apparatus

Print head device and ink jet printer including the print head device

Ink cartridge device

Ink cartridge device

Printer ink cartridge and ink cartridge device including the same

Ink cartridge for printers

Printhead unit and ink cartridge

Ink cartridge and method of disassembling the same

Patents Applicationslast 30 patents

Lens evaluation method and lens-evaluating apparatus

Projection lens manufacturing apparatus, projection lens manufactur...

Projection lens, producing method of projection lens and projector...

Lens-evaluating method and lens-evaluating apparatus

Lens evaluation method and lens-evaluating apparatus

Ink cartridge device