Masaaki Matsunaga

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Liquid crystal exposure device
- Patent number 7,271,798
- Issue date Sep 18, 2007
- Citizen Holdings Co., Ltd.
- Sadao Masubuchi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Liquid crystal shutter
- Patent number 7,002,643
- Issue date Feb 21, 2006
- Citizen Watch Co., Ltd.
- Yasushi Kaneko
- G02 - OPTICS
Information Patent Grant
Liquid crystal shutter and method of driving the same
- Patent number 6,833,887
- Issue date Dec 21, 2004
- Citizen Watch Co., Ltd.
- Yasushi Kaneko
- G02 - OPTICS
Information Patent Grant
Optical printer device that forms color images
- Patent number 6,720,986
- Issue date Apr 13, 2004
- Citizen Watch Co., Ltd.
- Sadao Masubuchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical printer
- Patent number 6,445,403
- Issue date Sep 3, 2002
- Citizen Watch Co., Ltd.
- Sadao Masubuchi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Line-scanning optical printer
- Patent number 6,366,338
- Issue date Apr 2, 2002
- Citizen Watch Co. Ltd.
- Sadao Masubuchi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Optical printer apparatus
- Patent number 6,275,247
- Issue date Aug 14, 2001
- Citizen Watch Co., Ltd.
- Sadao Masubuchi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Optical printer
- Patent number 6,262,757
- Issue date Jul 17, 2001
- Citizen Watch Co., Ltd.
- Sadao Masubuchi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Method of manufacturing ferroelectric liquid crystal display element
- Patent number 5,109,293
- Issue date Apr 28, 1992
- Citizen Watch Co., Ltd.
- Masaaki Matsunaga
- G02 - OPTICS
Information Patent Grant
Ferroelectric liquid crystal display having opposingly inclined ali...
- Patent number 5,061,044
- Issue date Oct 29, 1991
- Citizen Watch Co., Ltd.
- Masaaki Matsunaga
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Liquid crystal display device having a resin-coated IC chip
- Patent number 4,643,526
- Issue date Feb 17, 1987
- Citizen Watch Co., Ltd.
- Haruo Watanabe
- G02 - OPTICS
Information Patent Grant
Lighting device for a display panel of an electronic device
- Patent number 4,561,044
- Issue date Dec 24, 1985
- Citizen Watch Co., Ltd.
- Takashi Ogura
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Liquid crystal exposure device
- Publication number 20050200614
- Publication date Sep 15, 2005
- Sadao Masubuchi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Liquid crystal shutter for exposure device
- Publication number 20040090587
- Publication date May 13, 2004
- Masaaki Matsunaga
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Optical printer device
- Publication number 20020044194
- Publication date Apr 18, 2002
- Sadao Masubuchi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Liquid crystal shutter and method of driving the same
- Publication number 20010035925
- Publication date Nov 1, 2001
- CITIZEN WATCH CO., LTD.
- Yasushi Kaneko
- G02 - OPTICS

Masaaki Matsunaga

Person

Patents Grantslast 30 patents

Liquid crystal exposure device

Liquid crystal shutter

Liquid crystal shutter and method of driving the same

Optical printer device that forms color images

Optical printer

Line-scanning optical printer

Optical printer apparatus

Optical printer

Method of manufacturing ferroelectric liquid crystal display element

Ferroelectric liquid crystal display having opposingly inclined ali...

Liquid crystal display device having a resin-coated IC chip

Lighting device for a display panel of an electronic device

Patents Applicationslast 30 patents

Liquid crystal exposure device

Liquid crystal shutter for exposure device

Optical printer device

Liquid crystal shutter and method of driving the same