Terutaka Tokumaru

Person

Kashiwa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Aromatic polycarbonate polarising lens
- Patent number 10,838,238
- Issue date Nov 17, 2020
- Mitsubishi Gas Chemical Company, Inc.
- Terutaka Tokumaru
- B32 - LAYERED PRODUCTS
Information Patent Grant
Polarizing lens for sunglasses
- Patent number 9,977,264
- Issue date May 22, 2018
- Mitsubishi Gas Chemical Company, Inc.
- Hideaki Kimura
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Colored polarizing films, colored polarizing sheets, and colored po...
- Patent number 9,897,823
- Issue date Feb 20, 2018
- Mitsubishi Gas Chemical Company, Inc.
- Hideaki Kimura
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Polarized mirrored glasses lens
- Patent number 9,606,373
- Issue date Mar 28, 2017
- Mitsubishi Gas Chemical Company, Inc.
- Terutaka Tokumaru
- G02 - OPTICS
Information Patent Grant
Polarizing lens constituted of aromatic polycarbonate
- Patent number 9,063,276
- Issue date Jun 23, 2015
- Mitsubishi Gas Chemical Company, Inc.
- Terutaka Tokumaru
- B32 - LAYERED PRODUCTS
Information Patent Grant
Polarizing lens made of aromatic polycarbonate
- Patent number 8,936,363
- Issue date Jan 20, 2015
- Mitsubishi Gas Chemical Company, Inc.
- Terutaka Tokumaru
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Monochrometer and wavelength division multiplexer comprising said m...
- Patent number 6,636,660
- Issue date Oct 21, 2003
- Mitsubishi Gas Chemical Company, Inc.
- Terutaka Tokumaru
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical harmonic generator
- Patent number 5,073,725
- Issue date Dec 17, 1991
- Sharp Corporation
- Toshihiko Takano
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
AROMATIC POLYCARBONATE POLARISING LENS
- Publication number 20190155059
- Publication date May 23, 2019
- Mitsubishi Gas Chemical Company, Inc.
- Terutaka Tokumaru
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
POLARIZING LENS FOR SUNGLASSES
- Publication number 20150248023
- Publication date Sep 3, 2015
- Mitsubishi Gas Chemical Company, Inc.
- Hideaki Kimura
- G02 - OPTICS
Information Patent Application
COLORED POLARIZING FILMS, COLORED POLARIZING SHEETS, AND COLORED PO...
- Publication number 20150234210
- Publication date Aug 20, 2015
- Mitsubishi Gas Chemical Company, Inc.
- Hideaki Kimura
- G02 - OPTICS
Information Patent Application
AROMATIC POLYCARBONATE POLARISING LENS
- Publication number 20140375945
- Publication date Dec 25, 2014
- MGC FILSHEET CO., LTD.
- Terutaka Tokumaru
- B32 - LAYERED PRODUCTS
Information Patent Application
POLARIZED MIRRORED GLASSES LENS
- Publication number 20140232983
- Publication date Aug 21, 2014
- MGC FILSHEET CO., LTD.
- Terutaka Tokumaru
- G02 - OPTICS
Information Patent Application
POLARIZING LENS MADE OF AROMATIC POLYCARBONATE
- Publication number 20140151911
- Publication date Jun 5, 2014
- MGC Filsheet Co., Ltd.
- Terutaka Tokumaru
- G02 - OPTICS
Information Patent Application
POLARIZING LENS CONSTITUTED OF AROMATIC POLYCARBONATE
- Publication number 20130070196
- Publication date Mar 21, 2013
- MGC FILSHEET CO., LTD.
- Terutaka Tokumaru
- B32 - LAYERED PRODUCTS
Information Patent Application
POLARIZING LENS MADE OF AROMATIC POLYCARBONATE
- Publication number 20130010253
- Publication date Jan 10, 2013
- MGC Filsheet Co., Ltd.
- Terutaka Tokumaru
- G02 - OPTICS
Information Patent Application
Monochrometer and wavelength division multiplexer comprising said m...
- Publication number 20020136488
- Publication date Sep 26, 2002
- Terutaka Tokumaru
- G01 - MEASURING TESTING

Terutaka Tokumaru

Person

Patents Grantslast 30 patents

Aromatic polycarbonate polarising lens

Polarizing lens for sunglasses

Colored polarizing films, colored polarizing sheets, and colored po...

Polarized mirrored glasses lens

Polarizing lens constituted of aromatic polycarbonate

Polarizing lens made of aromatic polycarbonate

Monochrometer and wavelength division multiplexer comprising said m...

Optical harmonic generator

Patents Applicationslast 30 patents

AROMATIC POLYCARBONATE POLARISING LENS

POLARIZING LENS FOR SUNGLASSES

COLORED POLARIZING FILMS, COLORED POLARIZING SHEETS, AND COLORED PO...

AROMATIC POLYCARBONATE POLARISING LENS

POLARIZED MIRRORED GLASSES LENS

POLARIZING LENS MADE OF AROMATIC POLYCARBONATE

POLARIZING LENS CONSTITUTED OF AROMATIC POLYCARBONATE

POLARIZING LENS MADE OF AROMATIC POLYCARBONATE

Monochrometer and wavelength division multiplexer comprising said m...