Masaru Nakajo

Person

Koto-ku, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method for producing carbon material dispersion, carbon material di...
- Patent number 12,076,730
- Issue date Sep 3, 2024
- REFINE HOLDINGS CO., LTD.
- Masaru Nakajo
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Grant
Manufacturing method for sheet shaped key top
- Patent number 6,660,200
- Issue date Dec 9, 2003
- Polymatech Co., Ltd.
- Masaru Nakajo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Sheet shaped key top
- Patent number 6,576,856
- Issue date Jun 10, 2003
- Polymatech Co., Ltd.
- Nakajo Masaru
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Sheet-like key top
- Patent number 6,278,072
- Issue date Aug 21, 2001
- Polymatech Co., Ltd.
- Masaru Nakajo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Sheet-like key top and its manufacturing method
- Patent number 6,103,346
- Issue date Aug 15, 2000
- Polymatech Co., Ltd.
- Masaru Nakajo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Manufacturing method for key tops
- Patent number 5,820,809
- Issue date Oct 13, 1998
- Polymatech Co., Ltd.
- Hiroshi Yajima
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
DEHYDRATION METHOD FOR CARBONACEOUS MATERIAL DISPERSION ELEMENT AND...
- Publication number 20240424423
- Publication date Dec 26, 2024
- REFINE HOLDINGS CO., LTD.
- Kensuke FUKASAWA
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
METHOD FOR PRODUCING CARBON MATERIAL DISPERSION, CARBON MATERIAL DI...
- Publication number 20240367177
- Publication date Nov 7, 2024
- REFINE HOLDINGS CO., LTD.
- Masaru NAKAJO
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Application
CARBONACEOUS MATERIAL DISPERSION FOR ALL-SOLID LITHIUM ION RECHARGE...
- Publication number 20230307651
- Publication date Sep 28, 2023
- REFINE HOLDINGS CO., LTD.
- Kensuke FUKASAWA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD FOR REMOVING FOREIGN MATERIAL FROM CARBONACEOUS MATERIAL DIS...
- Publication number 20220073752
- Publication date Mar 10, 2022
- REFINE HOLDINGS CO., LTD.
- Tomokiyo TAKEYAMA
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
CARBONACEOUS MATERIAL DISPERSION AND METHOD FOR PRODUCING THEROF
- Publication number 20220006093
- Publication date Jan 6, 2022
- REFINE HOLDINGS CO., LTD.
- Masaru NAKAJO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD FOR PRODUCING CARBON MATERIAL DISPERSION, CARBON MATERIAL DI...
- Publication number 20210387205
- Publication date Dec 16, 2021
- REFINE HOLDINGS CO., LTD.
- Masaru NAKAJO
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Polishing composition for semiconductor wafer
- Publication number 20100163786
- Publication date Jul 1, 2010
- Masahiro Izumi
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Colloidal silica for semiconductor wafer polishing and production m...
- Publication number 20090267021
- Publication date Oct 29, 2009
- Masaru Nakajo
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Colloidal silica consisting of silica particles fixing nitrogen con...
- Publication number 20090253813
- Publication date Oct 8, 2009
- Yuko Ishiguri
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Polishing compound for semiconductor wafer polishing and polishing...
- Publication number 20090223136
- Publication date Sep 10, 2009
- Nippon Chemical Industrial Co., Ltd. (50%)
- Masaru Nakajo
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Composition for polishing semiconductor wafer, and method of produc...
- Publication number 20080237535
- Publication date Oct 2, 2008
- SPEEDFAM CO., LTD.
- Kuniaki Maejima
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Sheet shaped key top and manufacturing method thereof
- Publication number 20030137079
- Publication date Jul 24, 2003
- POLYMATECH CO., LTD.
- Masaru Nakajo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Sheet shaped key top and manufacturing method thereof
- Publication number 20010023818
- Publication date Sep 27, 2001
- Nakajo Masaru
- H01 - BASIC ELECTRIC ELEMENTS

Masaru Nakajo

Person

Patents Grantslast 30 patents

Method for producing carbon material dispersion, carbon material di...

Manufacturing method for sheet shaped key top

Sheet shaped key top

Sheet-like key top

Sheet-like key top and its manufacturing method

Manufacturing method for key tops

Patents Applicationslast 30 patents

DEHYDRATION METHOD FOR CARBONACEOUS MATERIAL DISPERSION ELEMENT AND...

METHOD FOR PRODUCING CARBON MATERIAL DISPERSION, CARBON MATERIAL DI...

CARBONACEOUS MATERIAL DISPERSION FOR ALL-SOLID LITHIUM ION RECHARGE...

METHOD FOR REMOVING FOREIGN MATERIAL FROM CARBONACEOUS MATERIAL DIS...

CARBONACEOUS MATERIAL DISPERSION AND METHOD FOR PRODUCING THEROF

METHOD FOR PRODUCING CARBON MATERIAL DISPERSION, CARBON MATERIAL DI...

Polishing composition for semiconductor wafer

Colloidal silica for semiconductor wafer polishing and production m...

Colloidal silica consisting of silica particles fixing nitrogen con...

Polishing compound for semiconductor wafer polishing and polishing...

Composition for polishing semiconductor wafer, and method of produc...

Sheet shaped key top and manufacturing method thereof

Sheet shaped key top and manufacturing method thereof