Kunio Hayakawa

Person

Shizuoka, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Reversible thermosensitive recording medium, reversible thermosensi...
- Patent number 8,088,712
- Issue date Jan 3, 2012
- Ricoh Company, Ltd.
- Hitoshi Shimbo
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Heat-sensitive pressure-sensitive adhesive and heat-sensitive adhes...
- Patent number 7,993,732
- Issue date Aug 9, 2011
- Ricoh Company, Ltd.
- Takayuki Sasaki
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Thermosensitive adhesive composition, method of manufacturing the s...
- Patent number 7,989,529
- Issue date Aug 2, 2011
- Ricoh Company, Ltd.
- Takehito Yamaguchi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Reversible thermosensitive recording medium, label and member, and...
- Patent number 7,585,813
- Issue date Sep 8, 2009
- Ricoh Company, Ltd.
- Hitoshi Shimbo
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Phenol compound, reversible thermosensitive recording medium, rever...
- Patent number 7,456,132
- Issue date Nov 25, 2008
- Ricoh Company, Ltd.
- Satoshi Yamamoto
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Reversible thermosensitive recording medium, information storage ma...
- Patent number 7,432,223
- Issue date Oct 7, 2008
- Ricoh Company, Ltd.
- Kunio Hayakawa
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Reversible thermosensitive recording medium, reversible thermosensi...
- Patent number 7,422,996
- Issue date Sep 9, 2008
- Ricoh Company, Ltd.
- Hitoshi Shimbo
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Reversible thermosensitive recording medium and device, and image p...
- Patent number 7,338,919
- Issue date Mar 4, 2008
- Ricoh Company, Ltd.
- Shinya Kawahara
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Reversible thermosensitive recording medium, label and member, and,...
- Patent number 7,238,642
- Issue date Jul 3, 2007
- Ricoh Company, Ltd.
- Hitoshi Shimbo
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Thermosensitive recording material, and synthesis method of oligome...
- Patent number 7,071,145
- Issue date Jul 4, 2006
- Ricoh Company, Ltd.
- Mitsunobu Morita
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Thermal recording material
- Patent number 7,071,142
- Issue date Jul 4, 2006
- Ricoh Company, Ltd.
- Mitsuru Naruse
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Thermosensitive recording material, and synthesis method of oligome...
- Patent number 6,878,671
- Issue date Apr 12, 2005
- Ricoh Company, Ltd.
- Mitsunobu Morita
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Dye dispersion liquid and thermosensitive recording material using...
- Patent number 6,846,619
- Issue date Jan 25, 2005
- Ricoh Company, Ltd.
- Yoshikazu Kaneko
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Electrophoretic display liquid and electrophoretic display medium a...
- Patent number 6,816,146
- Issue date Nov 9, 2004
- Ricoh Company Limited
- Shigeyuki Harada
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Thermosensitive recording material and color developer compound the...
- Patent number 6,747,170
- Issue date Jun 8, 2004
- Ricoh Company, Ltd.
- Kunio Hayakawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Thermosensitive recording material
- Patent number 6,710,015
- Issue date Mar 23, 2004
- Ricoh Company, Ltd.
- Yoshikazu Kaneko
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Electrophoretic display method, display medium, liquid and particle...
- Patent number 6,693,621
- Issue date Feb 17, 2004
- Ricoh Company, Ltd.
- Kunio Hayakawa
- G02 - OPTICS
Information Patent Grant
Marking ink composition and display medium using the same
- Patent number 6,514,328
- Issue date Feb 4, 2003
- Ricoh Company, Ltd.
- Ikuo Katoh
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Electrophoretic display liquid, and electrophoretic display medium,...
- Patent number 6,400,492
- Issue date Jun 4, 2002
- Ricoh Company Limited
- Mitsunobu Morita
- G02 - OPTICS
Information Patent Grant
Composition of aromatic carboxylic acid compounds and thermosensiti...
- Patent number 6,395,680
- Issue date May 28, 2002
- Ricoh Company, Ltd.
- Mitsunobu Morita
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Thermosensitive recording material and color developer compound the...
- Patent number 6,180,560
- Issue date Jan 30, 2001
- Ricoh Company, Ltd.
- Kunio Hayakawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Image forming apparatus
- Patent number 5,722,029
- Issue date Feb 24, 1998
- Ricoh Company, Ltd.
- Nobuaki Tomidokoro
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Remote-controlled copying apparatus having facsimile interface unit
- Patent number 5,515,171
- Issue date May 7, 1996
- Ricoh Company, Ltd.
- Wataru Nara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Recording composition
- Patent number 5,489,501
- Issue date Feb 6, 1996
- Ricoh Company, Ltd.
- Masafumi Torii
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Thermosensitive recording material
- Patent number 5,447,900
- Issue date Sep 5, 1995
- Ricoh Company, Ltd.
- Hideo Suzaki
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Thermosensitive recording material
- Patent number 5,446,011
- Issue date Aug 29, 1995
- Ricoh Company, Ltd.
- Kunio Hayakawa
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Thermosensitive recording material
- Patent number 5,306,687
- Issue date Apr 26, 1994
- Ricoh Company, Ltd.
- Hiromi Furuya
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Phenolic compounds
- Patent number 5,126,486
- Issue date Jun 30, 1992
- Ricoh Company, Ltd.
- Hiromi Furuya
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Leuco dyes and recording materials using the same
- Patent number 5,024,699
- Issue date Jun 18, 1991
- Ricoh Company, Ltd.
- Kiyotaka Iiyama
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Recording material
- Patent number 4,985,345
- Issue date Jan 15, 1991
- Ricoh Company, Ltd.
- Kunio Hayakawa
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
REVERSIBLE THERMOSENSITIVE RECORDING MEDIUM, REVERSIBLE THERMOSENSI...
- Publication number 20090048106
- Publication date Feb 19, 2009
- RICOH COMPANY, LTD.
- Hitoshi Shimbo
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Heat-sensitive pressure-sensitive adhesive and heat-sensitive adhes...
- Publication number 20080026205
- Publication date Jan 31, 2008
- Takayuki Sasaki
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Phenol Compound, Reversible Thermosensitive Recording Medium, Rever...
- Publication number 20070225161
- Publication date Sep 27, 2007
- Satoshi Yamamoto
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Reversible thermosensitive recording medium, label and member, and...
- Publication number 20070225163
- Publication date Sep 27, 2007
- Hitoshi Shimbo
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Reversible thermosensitive recording medium, reversible thermosensi...
- Publication number 20070219093
- Publication date Sep 20, 2007
- Hitoshi Shimbo
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Thermosensitive adhesive composition, method of manufacturing the s...
- Publication number 20070112113
- Publication date May 17, 2007
- Ricoh Company, Ltd.
- Takehito Yamaguchi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Reversible thermosensitive recording medium and device, and image p...
- Publication number 20050197250
- Publication date Sep 8, 2005
- Ricoh Company, Ltd.
- Shinya Kawahara
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Reversible thermosensitive recording medium, information storage ma...
- Publication number 20050137088
- Publication date Jun 23, 2005
- Kunio Hayakawa
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Thermosensitive recording material, and synthesis method of oligome...
- Publication number 20050079976
- Publication date Apr 14, 2005
- Mitsunobu Morita
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Reversible thermosensitive recording medium, label and member, and,...
- Publication number 20050014645
- Publication date Jan 20, 2005
- Hitoshi Shimbo
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Thermosensitive recording material, and synthesis method of oligome...
- Publication number 20040242414
- Publication date Dec 2, 2004
- Mitsunobu Morita
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Thermal recording material
- Publication number 20040087444
- Publication date May 6, 2004
- Mitsuru Naruse
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Thermosensitive recording material and color developer compound the...
- Publication number 20040071187
- Publication date Apr 15, 2004
- Kunio Hayakawa
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Thermosensitive recording material, and synthesis method of oligome...
- Publication number 20030153460
- Publication date Aug 14, 2003
- Mitsunobu Morita
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Thermosensitive recording material
- Publication number 20030125205
- Publication date Jul 3, 2003
- Yoshikazu Kaneko
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Dye dispersion liquid and thermosensitive recording material using...
- Publication number 20030060366
- Publication date Mar 27, 2003
- Ricoh Company, Ltd.
- Yoshikazu Kaneko
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Electrophoretic display liquid and electrophoretic display medium a...
- Publication number 20010005567
- Publication date Jun 28, 2001
- RICOH COMPANY LIMITED
- Shigeyuki Harada
- C01 - INORGANIC CHEMISTRY

Kunio Hayakawa

Person

Patents Grantslast 30 patents

Reversible thermosensitive recording medium, reversible thermosensi...

Heat-sensitive pressure-sensitive adhesive and heat-sensitive adhes...

Thermosensitive adhesive composition, method of manufacturing the s...

Reversible thermosensitive recording medium, label and member, and...

Phenol compound, reversible thermosensitive recording medium, rever...

Reversible thermosensitive recording medium, information storage ma...

Reversible thermosensitive recording medium, reversible thermosensi...

Reversible thermosensitive recording medium and device, and image p...

Reversible thermosensitive recording medium, label and member, and,...

Thermosensitive recording material, and synthesis method of oligome...

Thermal recording material

Thermosensitive recording material, and synthesis method of oligome...

Dye dispersion liquid and thermosensitive recording material using...

Electrophoretic display liquid and electrophoretic display medium a...

Thermosensitive recording material and color developer compound the...

Thermosensitive recording material

Electrophoretic display method, display medium, liquid and particle...

Marking ink composition and display medium using the same

Electrophoretic display liquid, and electrophoretic display medium,...

Composition of aromatic carboxylic acid compounds and thermosensiti...

Thermosensitive recording material and color developer compound the...

Image forming apparatus

Remote-controlled copying apparatus having facsimile interface unit

Recording composition

Thermosensitive recording material

Thermosensitive recording material

Thermosensitive recording material

Phenolic compounds

Leuco dyes and recording materials using the same

Recording material

Patents Applicationslast 30 patents

REVERSIBLE THERMOSENSITIVE RECORDING MEDIUM, REVERSIBLE THERMOSENSI...

Heat-sensitive pressure-sensitive adhesive and heat-sensitive adhes...

Phenol Compound, Reversible Thermosensitive Recording Medium, Rever...

Reversible thermosensitive recording medium, label and member, and...

Reversible thermosensitive recording medium, reversible thermosensi...

Thermosensitive adhesive composition, method of manufacturing the s...

Reversible thermosensitive recording medium and device, and image p...

Reversible thermosensitive recording medium, information storage ma...

Thermosensitive recording material, and synthesis method of oligome...

Reversible thermosensitive recording medium, label and member, and,...

Thermosensitive recording material, and synthesis method of oligome...

Thermal recording material

Thermosensitive recording material and color developer compound the...

Thermosensitive recording material, and synthesis method of oligome...

Thermosensitive recording material

Dye dispersion liquid and thermosensitive recording material using...

Electrophoretic display liquid and electrophoretic display medium a...