Tatsuo Ohta

Person

Hachioji, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical element and optical pickup apparatus
- Patent number 7,803,455
- Issue date Sep 28, 2010
- Konica Minolta Opto, INC
- Kunihiko Taka
- G02 - OPTICS
Information Patent Grant
Optical element and optical pickup apparatus
- Patent number 7,715,302
- Issue date May 11, 2010
- Konica Minolta Opto, INC
- Tatsuo Ohta
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical element and optical pickup device
- Patent number 7,682,676
- Issue date Mar 23, 2010
- Konica Minolta Opto, INC
- Setsuo Tokuhiro
- G02 - OPTICS
Information Patent Grant
Optical lens and information recording and reproducing device
- Patent number 7,602,679
- Issue date Oct 13, 2009
- Konica Minolta Opto, INC
- Tatsuo Ohta
- G11 - INFORMATION STORAGE
Information Patent Grant
Antireflection coating, optical element, and optical transceiver mo...
- Patent number 7,599,119
- Issue date Oct 6, 2009
- Konica Minolta Opto, INC
- Katsuya Nakamura
- G02 - OPTICS
Information Patent Grant
Objective lens and optical pickup apparatus
- Patent number 7,554,736
- Issue date Jun 30, 2009
- Konica Minolta Opto, INC
- Tatsuo Ohta
- G11 - INFORMATION STORAGE
Information Patent Grant
Objective lens and optical pickup apparatus
- Patent number 7,161,744
- Issue date Jan 9, 2007
- Konica Minolta Opto, INC
- Tatsuo Ohta
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical lens and optical information recording and reproducing appa...
- Patent number 7,085,219
- Issue date Aug 1, 2006
- Konica Opto Corporation
- Tatsuo Ohta
- G11 - INFORMATION STORAGE
Information Patent Grant
Surface treatment method and optical part
- Patent number 7,079,323
- Issue date Jul 18, 2006
- Konica Corporation
- Tatsuo Ohta
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Half mirror film producing method and optical element comprising a...
- Patent number 6,903,512
- Issue date Jun 7, 2005
- Konica Corporation
- Tatsuo Ohta
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Optical lens and optical information recording and reproducing appa...
- Patent number 6,813,096
- Issue date Nov 2, 2004
- Konica Corporation
- Tatsuo Ohta
- G02 - OPTICS
Information Patent Grant
Optical component
- Patent number 6,771,583
- Issue date Aug 3, 2004
- Konica Corporation
- Tatsuo Ohta
- G11 - INFORMATION STORAGE
Information Patent Grant
Electromagnetic wave attenuating transparent member
- Patent number 6,319,598
- Issue date Nov 20, 2001
- Konica Corporation
- Satoshi Nakano
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Antireflection coating with electromagnetic wave shielding effect a...
- Patent number 6,104,534
- Issue date Aug 15, 2000
- Konica Corporation
- Tatsuo Ohta
- G02 - OPTICS
Information Patent Grant
Optical member having antireflection film thereon
- Patent number 5,920,431
- Issue date Jul 6, 1999
- Konica Corporation
- Setsuo Tokuhiro
- G02 - OPTICS
Information Patent Grant
Conductive laminate
- Patent number 4,835,061
- Issue date May 30, 1989
- Konishiroku Photo Industry Co., Ltd.
- Tatsuo Ohta
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Transparent conductive layer built-up material
- Patent number 4,719,152
- Issue date Jan 12, 1988
- Konishiroku Photo Industry Co., Ltd.
- Tatsuo Ohta
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Metal image forming materials with light sensitive resin layer and...
- Patent number 4,591,544
- Issue date May 27, 1986
- Konishiroku Photo Industry Co., Ltd.
- Nobumasa Sasa
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Transparent conductive optical device and a process for the product...
- Patent number 4,585,689
- Issue date Apr 29, 1986
- Konishiroku Photo Industry Co., Ltd.
- Tatsuo Ohta
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Evaporator
- Patent number 4,526,132
- Issue date Jul 2, 1985
- Konishiroku Photo Industry Co., Ltd.
- Tatsuo Ohta
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Two superimposed ion current formed images using photoconductive sc...
- Patent number 4,287,278
- Issue date Sep 1, 1981
- Konishiroku Photo Industry Co., Ltd.
- Tatsuo Ohta
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Multi-color electro-static image liquid development apparatus
- Patent number 4,157,219
- Issue date Jun 5, 1979
- Konishiroku Photo Industry Co., Ltd.
- Tatsuo Ohta
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing roller and rinsing device
- Patent number 4,102,306
- Issue date Jul 25, 1978
- Konishiroku Photo Industry Co., Ltd.
- Tatsuo Ohta
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
Optical element and optical pickup apparatus
- Publication number 20070035840
- Publication date Feb 15, 2007
- KONICA MINOLTA OPTO, INC.
- Kunihiko Taka
- G02 - OPTICS
Information Patent Application
Antireflection coating, optical element, and optical transceiver mo...
- Publication number 20060158738
- Publication date Jul 20, 2006
- KONICA MINOLTA OPTO, INC.
- Katsuya Nakamura
- G02 - OPTICS
Information Patent Application
Optical element and optical pickup device
- Publication number 20050248864
- Publication date Nov 10, 2005
- KONICA MINOLTA OPTO, INC.
- Setsuo Tokuhiro
- G02 - OPTICS
Information Patent Application
Objective lens and optical pickup apparatus
- Publication number 20050225879
- Publication date Oct 13, 2005
- KONICA MINOLTA OPTO, INC.
- Tatsuo Ohta
- G11 - INFORMATION STORAGE
Information Patent Application
Objective lens and optical pickup apparatus
- Publication number 20050219683
- Publication date Oct 6, 2005
- KONICA MINOLTA OPTO, INC.
- Tatsuo Ohta
- G11 - INFORMATION STORAGE
Information Patent Application
Optical element and optical pickup apparatus
- Publication number 20050201422
- Publication date Sep 15, 2005
- Tatsuo Ohta
- G02 - OPTICS
Information Patent Application
Sputtering apparatus
- Publication number 20050109616
- Publication date May 26, 2005
- KONICA MINOLTA OPTO, INC.
- Tatsuo Ohta
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Image pickup device and portable terminal
- Publication number 20050068456
- Publication date Mar 31, 2005
- Konica Minolta Opto, Inc.
- Tatsuo Ohta
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical component and optical pickup apparatus
- Publication number 20050018297
- Publication date Jan 27, 2005
- KONICA MINOLTA OPTO, INC.
- Tatsuo Ohta
- G02 - OPTICS
Information Patent Application
Optical lens and optical information recording and reproducing appa...
- Publication number 20040233823
- Publication date Nov 25, 2004
- Konica Opto Corporation
- Tatsuo Ohta
- G11 - INFORMATION STORAGE
Information Patent Application
Surface treatment method and optical part
- Publication number 20030228413
- Publication date Dec 11, 2003
- KONICA CORPORATION
- Tatsuo Ohta
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Half mirror film producing method and optical element comprising a...
- Publication number 20030146709
- Publication date Aug 7, 2003
- Konica Corporation
- Tatsuo Ohta
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Optical lens and optical information recording and reproducing appa...
- Publication number 20030103271
- Publication date Jun 5, 2003
- KONICA CORPORATION
- Tatsuo Ohta
- G02 - OPTICS
Information Patent Application
Optical component
- Publication number 20020141322
- Publication date Oct 3, 2002
- Tatsuo Ohta
- G11 - INFORMATION STORAGE

Tatsuo Ohta

Person

Patents Grantslast 30 patents

Optical element and optical pickup apparatus

Optical element and optical pickup apparatus

Optical element and optical pickup device

Optical lens and information recording and reproducing device

Antireflection coating, optical element, and optical transceiver mo...

Objective lens and optical pickup apparatus

Objective lens and optical pickup apparatus

Optical lens and optical information recording and reproducing appa...

Surface treatment method and optical part

Half mirror film producing method and optical element comprising a...

Optical lens and optical information recording and reproducing appa...

Optical component

Electromagnetic wave attenuating transparent member

Antireflection coating with electromagnetic wave shielding effect a...

Optical member having antireflection film thereon

Conductive laminate

Transparent conductive layer built-up material

Metal image forming materials with light sensitive resin layer and...

Transparent conductive optical device and a process for the product...

Evaporator

Two superimposed ion current formed images using photoconductive sc...

Multi-color electro-static image liquid development apparatus

Developing roller and rinsing device

Patents Applicationslast 30 patents

Optical element and optical pickup apparatus

Antireflection coating, optical element, and optical transceiver mo...

Optical element and optical pickup device

Objective lens and optical pickup apparatus

Objective lens and optical pickup apparatus

Optical element and optical pickup apparatus

Sputtering apparatus

Image pickup device and portable terminal

Optical component and optical pickup apparatus

Optical lens and optical information recording and reproducing appa...

Surface treatment method and optical part

Half mirror film producing method and optical element comprising a...

Optical lens and optical information recording and reproducing appa...

Optical component