Norifumi Ito

Person

Yokohama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Image forming apparatus and a method for forming an image on plural...
- Patent number 5,930,571
- Issue date Jul 27, 1999
- Ricoh Company, Ltd.
- Norifumi Ito
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Digital copier system
- Patent number 5,557,390
- Issue date Sep 17, 1996
- Ricoh Company, Ltd.
- Norifumi Ito
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Interleaving digital copier system
- Patent number 5,506,657
- Issue date Apr 9, 1996
- Ricoh Company, Ltd.
- Norifumi Ito
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Digital copier system
- Patent number 5,440,372
- Issue date Aug 8, 1995
- Ricoh Company, Ltd.
- Norifumi Ito
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Folding-order image forming apparatus
- Patent number 5,231,516
- Issue date Jul 27, 1993
- Ricoh Company, Ltd.
- Kouichi Kamon
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Continuous process for preparing rubber modified high impact resin
- Patent number 5,210,132
- Issue date May 11, 1993
- Mitsui Toatsu Chemicals, Inc.
- Tetsuyuki Matsubara
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Block-copolymerized-rubber-modified styrene copolymers
- Patent number 5,191,023
- Issue date Mar 2, 1993
- Mitsui Toatsu Chemicals, Inc.
- Mune Iwamoto
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Transparent heat-resistant styrene-base copolymer
- Patent number 5,191,046
- Issue date Mar 2, 1993
- Mitsui Toatsu Chemicals, Incorporated
- Mune Iwamoto
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Digital copier operable with external storing medium
- Patent number 5,105,284
- Issue date Apr 14, 1992
- Ricoh Company, Ltd.
- Seiji Sakata
- G11 - INFORMATION STORAGE
Information Patent Grant
Output beam control device for a semiconductor laser
- Patent number 5,062,114
- Issue date Oct 29, 1991
- Ricoh Company, Ltd.
- Norifumi Ito
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Digital copier apparatus with external laser card storage medium an...
- Patent number 5,016,114
- Issue date May 14, 1991
- Ricoh Company, Ltd.
- Seiji Sakata
- G11 - INFORMATION STORAGE
Information Patent Grant
Anionically-polymerized-rubber-modified styrene copolymers
- Patent number 4,972,024
- Issue date Nov 20, 1990
- Mitsui Toatsu Chemicals, Inc.
- Mune Iwamoto
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Rubber dispersed copolymer resin
- Patent number 4,954,571
- Issue date Sep 4, 1990
- Mitsui Toatsu Chemicals, Incorporated
- Mune Iwamoto
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Rubber dispersed copolymer resin
- Patent number 4,808,661
- Issue date Feb 28, 1989
- Mitsui Toatsu Chemicals, Incorporated
- Mune Iwamoto
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Transportation method of synthetic rubber chips
- Patent number 4,789,272
- Issue date Dec 6, 1988
- Mitsui Toatsu Chemicals, Incorporated
- Tetsuyuki Matsubara
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Bromostyrene composition
- Patent number 4,758,644
- Issue date Jul 19, 1988
- Mitsui Toatsu Chemicals, Inc.
- Mune Iwamoto
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Continuous process for the treatment of polymer composition to remo...
- Patent number 4,699,976
- Issue date Oct 13, 1987
- Mitsui Toatsu Chemicals, Inc.
- Tetsuyuki Matsubara
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Device for controlling motor rotation speed
- Patent number 4,623,827
- Issue date Nov 18, 1986
- Ricoh Company, Ltd.
- Norifumi Ito
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Continuous production process of styrene-base resin
- Patent number 4,619,959
- Issue date Oct 28, 1986
- Mitsui Toatsu Chemicals, Incorporated
- Tetsuyuki Matsubara
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Continuous process for producing rubber modified high-impact resins
- Patent number 4,587,294
- Issue date May 6, 1986
- Mitsui Toatsu Chemicals, Inc.
- Tetsuyuki Matsubara
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the preparation of polymer compositions having low vola...
- Patent number 4,537,954
- Issue date Aug 27, 1985
- Mitsui Toatsu Chemicals, Inc.
- Toshihiko Ando
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Continuous bulk polymerization reactor
- Patent number 4,460,278
- Issue date Jul 17, 1984
- Toyo Engineering Corporation
- Tetsuyuki Matsubara
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Process for producing rubber modified styrene resins
- Patent number 4,388,447
- Issue date Jun 14, 1983
- Mitsui Toatsu Chemicals, Inc.
- Mune Iwamoto
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method of manufacturing rubber modified styrene resins
- Patent number 4,378,452
- Issue date Mar 29, 1983
- Mitsui Toatsu Chemicals, Inc.
- Mune Iwamoto
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the production of styrene polymers
- Patent number 4,376,847
- Issue date Mar 15, 1983
- Mitsui Toatsu Chemicals, Inc.
- Tetsuyuki Matsubara
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Norifumi Ito

Person

Patents Grantslast 30 patents

Image forming apparatus and a method for forming an image on plural...

Digital copier system

Interleaving digital copier system

Digital copier system

Folding-order image forming apparatus

Continuous process for preparing rubber modified high impact resin

Block-copolymerized-rubber-modified styrene copolymers

Transparent heat-resistant styrene-base copolymer

Digital copier operable with external storing medium

Output beam control device for a semiconductor laser

Digital copier apparatus with external laser card storage medium an...

Anionically-polymerized-rubber-modified styrene copolymers

Rubber dispersed copolymer resin

Rubber dispersed copolymer resin

Transportation method of synthetic rubber chips

Bromostyrene composition

Continuous process for the treatment of polymer composition to remo...

Device for controlling motor rotation speed

Continuous production process of styrene-base resin

Continuous process for producing rubber modified high-impact resins

Process for the preparation of polymer compositions having low vola...

Continuous bulk polymerization reactor

Process for producing rubber modified styrene resins

Method of manufacturing rubber modified styrene resins

Process for the production of styrene polymers