Masato Igarashi

Person

Kanagawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Image recording method image recording apparatus and image recordin...
- Patent number 6,261,349
- Issue date Jul 17, 2001
- Ricoh Company, Ltd.
- Kiyofumi Nagai
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Aqueous ink compositions and ink-jet printing method using the same
- Patent number 6,231,652
- Issue date May 15, 2001
- Ricoh Company, Ltd.
- Masayuki Koyano
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Set of color ink compositions for ink-jet printing and method of fo...
- Patent number 6,120,589
- Issue date Sep 19, 2000
- Ricoh Company, Ltd.
- Akiko Bannai
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Image recording method, image recording apparatus and image recordi...
- Patent number 5,993,524
- Issue date Nov 30, 1999
- Ricoh Company, Ltd.
- Kiyofumi Nagai
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Aqueous ink composition and ink-jet printing method using the same
- Patent number 5,972,082
- Issue date Oct 26, 1999
- Ricoh Company, Ltd.
- Masayuki Koyano
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Recording ink composition and recording method using the same
- Patent number 5,882,390
- Issue date Mar 16, 1999
- Ricoh Company, Ltd.
- Kiyofumi Nagai
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Recording ink composition and recording method using the same
- Patent number 5,879,439
- Issue date Mar 9, 1999
- Ricoh Company, Ltd.
- Kiyofumi Nagai
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Masato Igarashi

Person

Patents Grantslast 30 patents

Image recording method image recording apparatus and image recordin...

Aqueous ink compositions and ink-jet printing method using the same

Set of color ink compositions for ink-jet printing and method of fo...

Image recording method, image recording apparatus and image recordi...

Aqueous ink composition and ink-jet printing method using the same

Recording ink composition and recording method using the same

Recording ink composition and recording method using the same