Tetsu Yamamuro

Person

Yamato, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Photodecomposing organosilicon compounds and photopolymerizable epo...
- Patent number 4,954,534
- Issue date Sep 4, 1990
- Ricoh Company, Ltd.
- Tetsu Yamamuro
- C07 - ORGANIC CHEMISTRY
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 4,758,499
- Issue date Jul 19, 1988
- Ricoh Co., Ltd.
- Michiharu Abe
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical information recording medium
- Patent number 4,711,798
- Issue date Dec 8, 1987
- Ricoh Company, Ltd.
- Yutaka Ueda
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Ink jet head for compressing ink to eject drops of ink
- Patent number 4,700,203
- Issue date Oct 13, 1987
- Ricoh Co., Ltd.
- Tetsu Yamamuro
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Optical ink jet head for ink jet printer
- Patent number 4,607,267
- Issue date Aug 19, 1986
- Ricoh Company, Ltd.
- Tetsu Yamamuro
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink jet head having curved ink
- Patent number 4,588,998
- Issue date May 13, 1986
- Ricoh Company, Ltd.
- Tetsu Yamamuro
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Tetsu Yamamuro

Person

Patents Grantslast 30 patents

Photodecomposing organosilicon compounds and photopolymerizable epo...

Optical information recording medium

Optical information recording element

Optical information recording medium

Optical information recording medium

Optical information recording medium

Ink jet head for compressing ink to eject drops of ink

Optical ink jet head for ink jet printer

Ink jet head having curved ink