Kazuharu Niwa

Person

Nagoya, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Ocular device case and refill container used for the ocular device...
- Patent number 12,029,823
- Issue date Jul 9, 2024
- Menicon Co., Ltd.
- Osamu Mori
- A45 - HAND OR TRAVELLING ARTICLES
Information Patent Grant
Intraocular lens insertion device
- Patent number 9,713,528
- Issue date Jul 25, 2017
- Kowa Company, Ltd.
- Kazuharu Niwa
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Intraocular lens insertion tool
- Patent number 9,427,314
- Issue date Aug 30, 2016
- Kowa Company, Ltd.
- Kazuharu Niwa
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Intraocular lens insertion tool
- Patent number 9,398,950
- Issue date Jul 26, 2016
- Kowa Company, Ltd.
- Kazuharu Niwa
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Intraocular lens insertion device
- Patent number 9,072,601
- Issue date Jul 7, 2015
- Kowa Company, Ltd.
- Masayoshi Tanaka
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Colored contact lens
- Patent number 8,870,371
- Issue date Oct 28, 2014
- Menicon Co., Ltd.
- Ichiro Ando
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Intraocular lens insertion tool
- Patent number 8,740,977
- Issue date Jun 3, 2014
- Kowa Company, Ltd.
- Kazuharu Niwa
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Hybrid soft contact lens, and production method and hydration treat...
- Patent number 8,662,663
- Issue date Mar 4, 2014
- Menicon Co., Ltd.
- Ryo Matsushita
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method of producing medical instrument
- Patent number 8,523,878
- Issue date Sep 3, 2013
- Kowa Company, Ltd.
- Kohsuke Satake
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Intraocular lens
- Patent number 8,267,996
- Issue date Sep 18, 2012
- Kowa Company, Ltd.
- Kazuharu Niwa
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Intraocular lens
- Patent number 7,883,540
- Issue date Feb 8, 2011
- Kowa Company, Ltd.
- Kazuharu Niwa
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Polymerizable dye and ophthalmic lens containing the same
- Patent number 7,662,937
- Issue date Feb 16, 2010
- Menicon Co., Ltd.
- Kohsuke Satake
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Contact lens
- Patent number 7,588,334
- Issue date Sep 15, 2009
- Menicon Co., Ltd.
- Ryo Matsushita
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method of molding ophthalmic lens product, and mold assembly used i...
- Patent number 6,355,190
- Issue date Mar 12, 2002
- Menicon Co., Ltd.
- Tatsuya Ojio
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Soft intraocular lens material
- Patent number 6,326,448
- Issue date Dec 4, 2001
- Menicon Co., Ltd.
- Tatsuya Ojio
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Polymeric colorant and colored material for ocular lens using the c...
- Patent number 6,320,008
- Issue date Nov 20, 2001
- Menicon Co., Ltd.
- Akira Tsuzuki
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Material for a soft intraocular lens
- Patent number 6,277,940
- Issue date Aug 21, 2001
- Menicon Co. Ltd.
- Kazuharu Niwa
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Polymeric colorant and colored material for ocular lens using the c...
- Patent number 6,242,551
- Issue date Jun 5, 2001
- Menicon Co., Ltd.
- Akira Tsuzuki
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Soft intraocular lens material
- Patent number 6,140,438
- Issue date Oct 31, 2000
- Menicon Co., Ltd.
- Tatsuya Ojio
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Method for producing an intraocular lens
- Patent number 6,015,511
- Issue date Jan 18, 2000
- Menicon Co., Ltd.
- Akihiro Yasuda
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method of producing contact lens with identifying mark permeating i...
- Patent number 5,580,498
- Issue date Dec 3, 1996
- Menicon Co., Ltd.
- Akihisa Sugiyama
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Process for producing a tinted contact lens
- Patent number 5,516,467
- Issue date May 14, 1996
- Menicon Co., Ltd.
- Kazuharu Niwa
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Ultraviolet light absorbing ocular lens
- Patent number 5,147,902
- Issue date Sep 15, 1992
- Menicon Co., Ltd.
- Makoto Ichikawa
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
OCULAR DEVICE CASE AND REFILL CONTAINER USED FOR THE OCULAR DEVICE...
- Publication number 20240316241
- Publication date Sep 26, 2024
- Menicon Co., Ltd.
- Osamu MORI
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
OCULAR DEVICE CASE AND REFILL CONTAINER USED FOR THE OCULAR DEVICE...
- Publication number 20220288269
- Publication date Sep 15, 2022
- Menicon Co., Ltd.
- Osamu MORI
- A45 - HAND OR TRAVELLING ARTICLES
Information Patent Application
INTRAOCULAR LENS MATERIAL AND METHOD FOR PRESERVING INTRAOCULAR LEN...
- Publication number 20180021475
- Publication date Jan 25, 2018
- Menicon Co., Ltd.
- Hiroko NOMURA
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
INTRAOCULAR LENS INSERTION DEVICE
- Publication number 20160278911
- Publication date Sep 29, 2016
- Kowa Company, Ltd.
- Kazuharu Niwa
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
INTRAOCULAR LENS INSERTION TOOL
- Publication number 20140228856
- Publication date Aug 14, 2014
- Kowa Company, LTD.
- Kazuharu Niwa
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
COLORED CONTACT LENS
- Publication number 20130093994
- Publication date Apr 18, 2013
- Menicon Co., Ltd.
- Ichiro Ando
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
INTRAOCULAR LENS INSERTION DEVICE
- Publication number 20120253356
- Publication date Oct 4, 2012
- Menicon Co., Ltd.
- Kazuharu Niwa
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
INTRAOCULAR LENS INSERTION DEVICE
- Publication number 20120221102
- Publication date Aug 30, 2012
- Menicon Co., Ltd.
- Masayoshi Tanaka
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
HYBRID SOFT CONTACT LENS, AND PRODUCTION METHOD AND HYDRATION TREAT...
- Publication number 20120169994
- Publication date Jul 5, 2012
- Menicon Co., Ltd.
- Ryo Matsushita
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
INTRAOCULAR LENS INSERTION TOOL
- Publication number 20110224677
- Publication date Sep 15, 2011
- Menicon Co., Ltd.
- Kazuharu Niwa
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
METHOD OF PRODUCING MEDICAL INSTRUMENT
- Publication number 20100312255
- Publication date Dec 9, 2010
- Menicon Co., Ltd.
- Kohsuke Satake
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Novel Polymerizable Dye and Ophthalmic Lens Containing the Same
- Publication number 20090082553
- Publication date Mar 26, 2009
- Kohsuke Satake
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
INTRAOCULAR LENS
- Publication number 20090043384
- Publication date Feb 12, 2009
- Kowa Company, LTD.
- Kazuharu Niwa
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
INTRAOCULAR LENS
- Publication number 20090030514
- Publication date Jan 29, 2009
- Kowa Company, LTD.
- Kazuharu Niwa
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Contact Lens
- Publication number 20070232755
- Publication date Oct 4, 2007
- Ryo Matsushita
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Polymeric colorant and colored material for ocular lens using the c...
- Publication number 20010021759
- Publication date Sep 13, 2001
- Menicon Co., Ltd.
- Akira Tsuzuki
- G02 - OPTICS

Kazuharu Niwa

Person

Patents Grantslast 30 patents

Ocular device case and refill container used for the ocular device...

Intraocular lens insertion device

Intraocular lens insertion tool

Intraocular lens insertion tool

Intraocular lens insertion device

Colored contact lens

Intraocular lens insertion tool

Hybrid soft contact lens, and production method and hydration treat...

Method of producing medical instrument

Intraocular lens

Intraocular lens

Polymerizable dye and ophthalmic lens containing the same

Contact lens

Method of molding ophthalmic lens product, and mold assembly used i...

Soft intraocular lens material

Polymeric colorant and colored material for ocular lens using the c...

Material for a soft intraocular lens

Polymeric colorant and colored material for ocular lens using the c...

Soft intraocular lens material

Method for producing an intraocular lens

Method of producing contact lens with identifying mark permeating i...

Process for producing a tinted contact lens

Ultraviolet light absorbing ocular lens

Patents Applicationslast 30 patents

OCULAR DEVICE CASE AND REFILL CONTAINER USED FOR THE OCULAR DEVICE...

OCULAR DEVICE CASE AND REFILL CONTAINER USED FOR THE OCULAR DEVICE...

INTRAOCULAR LENS MATERIAL AND METHOD FOR PRESERVING INTRAOCULAR LEN...

INTRAOCULAR LENS INSERTION DEVICE

INTRAOCULAR LENS INSERTION TOOL

COLORED CONTACT LENS

INTRAOCULAR LENS INSERTION DEVICE

INTRAOCULAR LENS INSERTION DEVICE

HYBRID SOFT CONTACT LENS, AND PRODUCTION METHOD AND HYDRATION TREAT...

INTRAOCULAR LENS INSERTION TOOL

METHOD OF PRODUCING MEDICAL INSTRUMENT

Novel Polymerizable Dye and Ophthalmic Lens Containing the Same

INTRAOCULAR LENS

INTRAOCULAR LENS

Contact Lens

Polymeric colorant and colored material for ocular lens using the c...