Masahiko Kusumoto

Person

Omuta, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Production method of 4,6-diaminoresorcin
- Patent number 6,974,881
- Issue date Dec 13, 2005
- Mitsui Chemicals, Inc.
- Yukihiro Kumamoto
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing α, α-difluorocycloalkane compound
- Patent number 6,686,509
- Issue date Feb 3, 2004
- Mitsui Chemicals, Inc.
- Kouki Fukumura
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Selenium-containing transparent optical material
- Patent number 6,664,364
- Issue date Dec 16, 2003
- Mitsui Chemicals, Inc.
- Koju Okazaki
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Selenium-containing transparent optical material
- Patent number 6,482,918
- Issue date Nov 19, 2002
- Mitsui Chemicals, Inc.
- Koju Okazaki
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Production method of 4,6-diaminoresorcin
- Patent number 6,359,180
- Issue date Mar 19, 2002
- Mitsui Chemicals, Incorporated
- Yukihiro Kumamoto
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Selenium-containing transparent optical material
- Patent number 6,303,747
- Issue date Oct 16, 2001
- Mitsui Chemicals, Inc.
- Koju Okazaki
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Selenized transparent optical material
- Patent number 6,124,424
- Issue date Sep 26, 2000
- Mitsui Chemicals, Inc.
- Koju Okazaki
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Sulfur-containing acid phosphoric ester internal release agent
- Patent number 5,389,708
- Issue date Feb 14, 1995
- Mitsui Toatsu Chemicals, Inc.
- Masahiko Kusumoto
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Stabilizing method of isocyanate compounds and isocyanate compositi...
- Patent number 5,302,749
- Issue date Apr 12, 1994
- Mitsui Toatsu Chemicals, Incorporated
- Teruyuki Nagata
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Optical urethane resins and plastic lenses comprising the same
- Patent number 5,194,559
- Issue date Mar 16, 1993
- Mitsui Toatsu Chemicals, Inc.
- Koju Okazaki
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
Process for preparation of alkoxybenzamides and thiazolyl isocyanates
- Publication number 20050143581
- Publication date Jun 30, 2005
- Mitsui Chemicals, Inc.
- Hirokazu Awano
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Selenium-containing transparent optical material
- Publication number 20030166830
- Publication date Sep 4, 2003
- Koju Okazaki
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Process for producing alpha, alpha-difluorocycloalkane compound
- Publication number 20030078460
- Publication date Apr 24, 2003
- Kouki Fukumura
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Selenium-containing transparent optical material
- Publication number 20020120097
- Publication date Aug 29, 2002
- Koju Okazaki
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Production method of 4,6-diaminoresorcin
- Publication number 20020107415
- Publication date Aug 8, 2002
- Yukihiro Kumamoto
- C07 - ORGANIC CHEMISTRY

Masahiko Kusumoto

Person

Patents Grantslast 30 patents

Production method of 4,6-diaminoresorcin

Process for producing &#x03B1;, &#x03B1;-difluorocycloalkane compound

Selenium-containing transparent optical material

Selenium-containing transparent optical material

Production method of 4,6-diaminoresorcin

Selenium-containing transparent optical material

Selenized transparent optical material

Sulfur-containing acid phosphoric ester internal release agent

Stabilizing method of isocyanate compounds and isocyanate compositi...

Optical urethane resins and plastic lenses comprising the same

Patents Applicationslast 30 patents

Process for preparation of alkoxybenzamides and thiazolyl isocyanates

Selenium-containing transparent optical material

Process for producing alpha, alpha-difluorocycloalkane compound

Selenium-containing transparent optical material

Production method of 4,6-diaminoresorcin

Process for producing α, α-difluorocycloalkane compound