Yutaka Ueda

Person

Yokohama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical recording medium and method of producing the same
- Patent number 5,968,708
- Issue date Oct 19, 1999
- Ricoh Company, Ltd.
- Toru Yashiro
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical information recording medium
- Patent number 5,316,814
- Issue date May 31, 1994
- Ricoh Company, Ltd.
- Yasuo Sawada
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical information recording medium
- Patent number 5,252,372
- Issue date Oct 12, 1993
- Ricoh Company, Ltd.
- Toru Yashiro
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical recording medium
- Patent number 5,242,730
- Issue date Sep 7, 1993
- Ricoh Company, Ltd.
- Toru Yashiro
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical recording medium
- Patent number 5,238,722
- Issue date Aug 24, 1993
- Ricoh Company, Ltd.
- Toru Yashiro
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical recording medium
- Patent number 5,213,947
- Issue date May 25, 1993
- Ricoh Company, Ltd.
- Yutaka Ueda
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical information recording medium
- Patent number 5,169,745
- Issue date Dec 8, 1992
- Ricoh Company, Ltd.
- Toru Yashiro
- G11 - INFORMATION STORAGE
Information Patent Grant
Composition for water proof sheets
- Patent number 5,137,947
- Issue date Aug 11, 1992
- Nippon Unicar Company Ltd.
- Kazuyuki Isobe
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Information recording medium with concentric spacers and cut-away a...
- Patent number 5,132,960
- Issue date Jul 21, 1992
- Ricoh Company, Ltd.
- Tetsuo Hosokawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Composition for water proof sheets
- Patent number 5,068,270
- Issue date Nov 26, 1991
- Nippon Unicar Company Limited
- Kazuyuki Isobe
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Optical information recording medium
- Patent number 4,915,997
- Issue date Apr 10, 1990
- Ricoh Company, Ltd.
- Tetsu Yamamuro
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Optical information recording element
- Patent number 4,891,305
- Issue date Jan 2, 1990
- Ricoh Co., Ltd.
- Hideaki Oba
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical information recording medium
- Patent number 4,865,949
- Issue date Sep 12, 1989
- Ricoh Company, Ltd.
- Tetsu Yamamuro
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical information recording medium
- Patent number 4,861,637
- Issue date Aug 29, 1989
- Ricoh Company, Ltd.
- Yutaka Ueda
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical information recording medium
- Patent number 4,767,693
- Issue date Aug 30, 1988
- Ricoh Co., Ltd.
- Hideaki Oba
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical information recording medium
- Patent number 4,758,499
- Issue date Jul 19, 1988
- Ricoh Co., Ltd.
- Michiharu Abe
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical information recording medium
- Patent number 4,714,667
- Issue date Dec 22, 1987
- Ricoh Co., Ltd.
- Tsutomu Sato
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical information recording medium
- Patent number 4,711,798
- Issue date Dec 8, 1987
- Ricoh Company, Ltd.
- Yutaka Ueda
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Optical information recording medium
- Patent number 4,696,892
- Issue date Sep 29, 1987
- Ricoh Co., Ltd.
- Michiharu Abe
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical information recording medium
- Patent number 4,656,121
- Issue date Apr 7, 1987
- Ricoh Co., Ltd.
- Tsutomu Sato
- G11 - INFORMATION STORAGE

Yutaka Ueda

Person

Patents Grantslast 30 patents

Optical recording medium and method of producing the same

Optical information recording medium

Optical information recording medium

Optical recording medium

Optical recording medium

Optical recording medium

Optical information recording medium

Composition for water proof sheets

Information recording medium with concentric spacers and cut-away a...

Composition for water proof sheets

Optical information recording medium

Optical information recording element

Optical information recording medium

Optical information recording medium

Optical information recording medium

Optical information recording medium

Optical information recording medium

Optical information recording medium

Optical information recording medium

Optical information recording medium