Koji Iwasa

Person

Funabashi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Ferroelectric liquid crystal display device having an A.C. holding...
- Patent number RE37333
- Issue date Aug 21, 2001
- Seiko Instruments Inc.
- Takamasa Harada
- 349 - Liquid crystal cells, elements and systems
Information Patent Grant
Method for manufacturing a color filter
- Patent number 6,203,950
- Issue date Mar 20, 2001
- Shinto Chemitron Co. Ltd.
- Hitoshi Kamamori
- G02 - OPTICS
Information Patent Grant
Film of iron (III) hexacyanoferrate (II) and process of synthesizin...
- Patent number 5,876,581
- Issue date Mar 2, 1999
- Seiko Instruments Inc.
- Kingo Itaya
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Color electrooptical device
- Patent number 5,610,740
- Issue date Mar 11, 1997
- Seiko Instruments Inc.
- Hitoshi Kamamori
- G02 - OPTICS
Information Patent Grant
Electro-optical device having a first and a second nonlinear resist...
- Patent number 5,204,764
- Issue date Apr 20, 1993
- Seiko Instruments, Inc.
- Takeshi Maeda
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Method for manufacturing a color member
- Patent number 4,999,094
- Issue date Mar 12, 1991
- Seiko Instruments & Electronics Ltd.
- Hitoshi Kamamori
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Liquid crystal element
- Patent number 4,939,003
- Issue date Jul 3, 1990
- Toray Industries, Inc.
- Takao Aoki
- G02 - OPTICS
Information Patent Grant
Color member and method for manufacturing same
- Patent number 4,787,716
- Issue date Nov 29, 1988
- Seiko Instruments & Electronics Ltd.
- Naoki Kato
- G02 - OPTICS
Information Patent Grant
Color member having electrodeposited color layer composed of polyme...
- Patent number 4,781,444
- Issue date Nov 1, 1988
- Seiko Instruments & Electronics Ltd.
- Mitsuru Suginoya
- G02 - OPTICS
Information Patent Grant
Ferroelectric liquid crystal display device having an A.C. holding...
- Patent number 4,715,688
- Issue date Dec 29, 1987
- Seiko Instruments Inc.
- Takamasa Harada
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Matrix type multi-color display device
- Patent number 4,704,559
- Issue date Nov 3, 1987
- Seiko Instruments & Electronics Ltd.
- Mitsuru Suginoya
- G02 - OPTICS
Information Patent Grant
Electrically conductive high molecular resin composition for electr...
- Patent number 4,670,188
- Issue date Jun 2, 1987
- Seiko Instruments & Electronics Ltd.
- Koji Iwasa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Multi-color display device and process of fabricating same
- Patent number 4,639,088
- Issue date Jan 27, 1987
- Seiko Instruments & Electronics Ltd.
- Mitsuru Suginoya
- G02 - OPTICS
Information Patent Grant
Method of manufacturing solid state color filter device uses co-ele...
- Patent number 4,617,094
- Issue date Oct 14, 1986
- Seiko Instruments & Electronics Ltd.
- Hitoshi Kamamori
- G02 - OPTICS
Information Patent Grant
Method for manufacturing multicolored plate, multicolored filter an...
- Patent number 4,528,073
- Issue date Jul 9, 1985
- Seiko Instruments & Electronics Ltd.
- Yutaka Sano
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Method for manufacturing a multicolor filter and a multicolor displ...
- Patent number 4,522,691
- Issue date Jun 11, 1985
- Seiko Instruments & Electronics Ltd.
- Mitsuru Suginoya
- G02 - OPTICS
Information Patent Grant
Electrochromic display devices using iron(III) hexacyanoferrate(II)...
- Patent number 4,498,739
- Issue date Feb 12, 1985
- Seiko Instruments & Electronics Ltd.
- Kingo Itaya
- G02 - OPTICS
Information Patent Grant
Functional electrode
- Patent number 4,451,348
- Issue date May 29, 1984
- Kabushiki Kaisha Daini Seikosha
- Kingo Itaya
- G01 - MEASURING TESTING
Information Patent Grant
Electrochromic display device
- Patent number 4,346,964
- Issue date Aug 31, 1982
- Kabushiki Kaisha Daini Seikosha
- Satoshi Ishihama
- G02 - OPTICS

Person

Patents Grantslast 30 patents

Ferroelectric liquid crystal display device having an A.C. holding...

Method for manufacturing a color filter

Film of iron (III) hexacyanoferrate (II) and process of synthesizin...

Color electrooptical device

Electro-optical device having a first and a second nonlinear resist...

Method for manufacturing a color member

Liquid crystal element

Color member and method for manufacturing same

Color member having electrodeposited color layer composed of polyme...

Ferroelectric liquid crystal display device having an A.C. holding...

Matrix type multi-color display device

Electrically conductive high molecular resin composition for electr...

Multi-color display device and process of fabricating same

Method of manufacturing solid state color filter device uses co-ele...

Method for manufacturing multicolored plate, multicolored filter an...

Method for manufacturing a multicolor filter and a multicolor displ...

Electrochromic display devices using iron(III) hexacyanoferrate(II)...

Functional electrode

Electrochromic display device