Yukio Konagaya

Person

Shimizumachi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Reversible thermosensitive recording material
- Patent number 6,060,425
- Issue date May 9, 2000
- Ricoh Company, Ltd.
- Kunichika Morohoshi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Reversible thermosensitive recording medium and method of producing...
- Patent number 5,985,077
- Issue date Nov 16, 1999
- Ricoh Company, Ltd.
- Yukio Konagaya
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Image recording method using reversible thermosensitive recording m...
- Patent number 5,900,900
- Issue date May 4, 1999
- Ricoh Company, Ltd.
- Yoshihiko Hotta
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Method of producing reversible thermosensitive recording medium
- Patent number 5,762,998
- Issue date Jun 9, 1998
- Ricoh Company, Ltd.
- Yukio Konagaya
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Reversible thermosensitive recording label and reversible thermosen...
- Patent number 5,643,851
- Issue date Jul 1, 1997
- Ricoh Company, Ltd.
- Yukio Konagaya
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Reversible thermosensitive recording medium and method of producing...
- Patent number 5,625,524
- Issue date Apr 29, 1997
- Ricoh Company, Ltd.
- Yukio Konagaya
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Method for producing reversible thermosensitive recording material
- Patent number 5,556,827
- Issue date Sep 17, 1996
- Ricoh Company, Ltd.
- Toru Nogiwa
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Card processing method
- Patent number 5,321,239
- Issue date Jun 14, 1994
- Ricoh Company, Ltd.
- Fumihito Masubuchi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Reversible thermosensitive recording material
- Patent number 5,283,220
- Issue date Feb 1, 1994
- Ricoh Company, Ltd.
- Makoto Kawaguchi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Reversible thermosensitive recording material and method of produci...
- Patent number 5,219,820
- Issue date Jun 15, 1993
- Ricoh Company, Ltd.
- Kunichika Morohoshi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Reversible thermosensitive recording material
- Patent number 5,158,926
- Issue date Oct 27, 1992
- Ricoh Company, Ltd.
- Yoshihiko Hotta
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Reversible thermosensitive recording material and image display met...
- Patent number 5,158,924
- Issue date Oct 27, 1992
- Ricoh Company, Ltd.
- Yukio Konagaya
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Non-impact electrothermic recording material
- Patent number 4,833,021
- Issue date May 23, 1989
- Ricoh Company Ltd.
- Ryochi Shimura
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Yukio Konagaya

Person

Patents Grantslast 30 patents

Reversible thermosensitive recording material

Reversible thermosensitive recording medium and method of producing...

Image recording method using reversible thermosensitive recording m...

Method of producing reversible thermosensitive recording medium

Reversible thermosensitive recording label and reversible thermosen...

Reversible thermosensitive recording medium and method of producing...

Method for producing reversible thermosensitive recording material

Card processing method

Reversible thermosensitive recording material

Reversible thermosensitive recording material and method of produci...

Reversible thermosensitive recording material

Reversible thermosensitive recording material and image display met...

Non-impact electrothermic recording material