Yoshimi Kohayakawa

Person

Tochigi-Ken, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Ophthalmologic apparatus
- Patent number 6,757,555
- Issue date Jun 29, 2004
- Canon Kabushiki Kaisha
- Yoshimi Kohayakawa
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Ophthalmologic apparatus
- Patent number 6,685,318
- Issue date Feb 3, 2004
- Canon Kabushiki Kaisha
- Yoshimi Kohayakawa
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Eye examining apparatus
- Patent number 6,309,068
- Issue date Oct 30, 2001
- Canon Kabushiki Kaisha
- Yoshimi Kohayakawa
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Ophthalmological apparatus
- Patent number 6,131,574
- Issue date Oct 17, 2000
- Canon Kabushiki Kaisha
- Yoshimi Kohayakawa
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Eye measuring apparatus having signal processing means for calculat...
- Patent number 6,079,830
- Issue date Jun 27, 2000
- Canon Kabushiki Kaisha
- Yoshimi Kohayakawa
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Stereoscopic image apparatus
- Patent number 5,995,759
- Issue date Nov 30, 1999
- Canon Kabushiki Kaisha
- Yoshimi Kohayakawa
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Eye examining apparatus having a driver for driving an eye examinin...
- Patent number 5,903,336
- Issue date May 11, 1999
- Canon Kabushiki Kaisha
- Yoshimi Kohayakawa
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Optical apparatus or apparatus for detecting direction of line of s...
- Patent number 5,889,577
- Issue date Mar 30, 1999
- Canon Kabushiki Kaisha
- Yoshimi Kohayakawa
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Scan imaging device for forming a stereoscopic image of the eye
- Patent number 5,847,805
- Issue date Dec 8, 1998
- Canon Kabushiki Kaisha
- Yoshimi Kohayakawa
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Visual function measuring apparatus
- Patent number 5,825,460
- Issue date Oct 20, 1998
- Canon Kabushiki Kaisha
- Yoshimi Kohayakawa
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Eye refractometer and eye refractive power measuring apparatus for...
- Patent number 5,781,275
- Issue date Jul 14, 1998
- Canon Kabushiki Kaisha
- Yoshimi Kohayakawa
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Eye refractometer
- Patent number 5,777,718
- Issue date Jul 7, 1998
- Canon Kabushiki Kaisha
- Yoshimi Kohayakawa
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Eye examining apparatus scanning the eye with a light beam
- Patent number 5,757,463
- Issue date May 26, 1998
- Canon Kabushiki Kaisha
- Yoshimi Kohayakawa
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Eye fundus photographing apparatus
- Patent number 5,713,047
- Issue date Jan 27, 1998
- Canon Kabushiki Kaisha
- Yoshimi Kohayakawa
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Ophthalmic apparatus
- Patent number 5,675,399
- Issue date Oct 7, 1997
- Canon Kabushiki Kaisha
- Yoshimi Kohayakawa
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Ocular lens measuring apparatus
- Patent number 5,657,116
- Issue date Aug 12, 1997
- Canon Kabushiki Kaisha
- Yoshimi Kohayakawa
- G01 - MEASURING TESTING
Information Patent Grant
Ophthalmic measuring apparatus for determining the shape of the cor...
- Patent number 5,585,872
- Issue date Dec 17, 1996
- Canon Kabushiki Kaisha
- Yoshimi Kohayakawa
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Fundus camera or opthalmic apparatus comprising a flash light sourc...
- Patent number 5,557,321
- Issue date Sep 17, 1996
- Canon Kabushiki Kaisha
- Yoshimi Kohayakawa
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Eye refraction measuring apparatus including optical path separatin...
- Patent number 5,523,809
- Issue date Jun 4, 1996
- Canon Kabushiki Kaisha
- Yoshimi Kohayakawa
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Ophthalmic apparatus having an intraocular pressure measuring system
- Patent number 5,523,808
- Issue date Jun 4, 1996
- Canon Kabushiki Kaisha
- Yoshimi Kohayakawa
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Ophthalmologic apparatus having an electrical magnifier
- Patent number 5,506,632
- Issue date Apr 9, 1996
- Canon Kabushiki Kaisha
- Yoshimi Kohayakawa
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Lens measuring apparatus
- Patent number 5,489,978
- Issue date Feb 6, 1996
- Canon Kabushiki Kaisha
- Toshiaki Okumura
- G01 - MEASURING TESTING
Information Patent Grant
Eye examining apparatus
- Patent number 5,483,305
- Issue date Jan 9, 1996
- Canon Kabushiki Kaisha
- Yoshimi Kohayakawa
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Eye refractometer having variable wavelength illumination means
- Patent number 5,467,151
- Issue date Nov 14, 1995
- Canon Kabushiki Kaisha
- Yoshimi Kohayakawa
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Eye examining apparatus including an eye refraction measuring syste...
- Patent number 5,420,650
- Issue date May 30, 1995
- Canon Kabushiki Kaisha
- Yoshimi Kohayakawa
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Ophthalmic apparatus
- Patent number 5,371,558
- Issue date Dec 6, 1994
- Canon Kabushiki Kaisha
- Yoshimi Kohayakawa
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Keratometer
- Patent number 5,325,134
- Issue date Jun 28, 1994
- Canon Kabushiki Kaisha
- Yoshimi Kohayakawa
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Ophthalmic measuring apparatus
- Patent number 5,280,313
- Issue date Jan 18, 1994
- Canon Kabushiki Kaisha
- Yoshimi Kohayakawa
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Ocular refractivity measuring apparatus
- Patent number 5,249,003
- Issue date Sep 28, 1993
- Canon Kabushiki Kaisha
- Yoshimi Kohayakawa
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Visual target apparatus
- Patent number 5,237,351
- Issue date Aug 17, 1993
- Canon Kabushiki Kaisha
- Yoshimi Kohayakawa
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
Ophthalmologic apparatus
- Publication number 20030025875
- Publication date Feb 6, 2003
- CANON KABUSHIKI KAISHA
- Yoshimi Kohayakawa
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Ophthalmologic apparatus
- Publication number 20020180930
- Publication date Dec 5, 2002
- CANON KABUSHIKI KAISHA
- Yoshimi Kohayakawa
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Yoshimi Kohayakawa

Person

Patents Grantslast 30 patents

Ophthalmologic apparatus

Ophthalmologic apparatus

Eye examining apparatus

Ophthalmological apparatus

Eye measuring apparatus having signal processing means for calculat...

Stereoscopic image apparatus

Eye examining apparatus having a driver for driving an eye examinin...

Optical apparatus or apparatus for detecting direction of line of s...

Scan imaging device for forming a stereoscopic image of the eye

Visual function measuring apparatus

Eye refractometer and eye refractive power measuring apparatus for...

Eye refractometer

Eye examining apparatus scanning the eye with a light beam

Eye fundus photographing apparatus

Ophthalmic apparatus

Ocular lens measuring apparatus

Ophthalmic measuring apparatus for determining the shape of the cor...

Fundus camera or opthalmic apparatus comprising a flash light sourc...

Eye refraction measuring apparatus including optical path separatin...

Ophthalmic apparatus having an intraocular pressure measuring system

Ophthalmologic apparatus having an electrical magnifier

Lens measuring apparatus

Eye examining apparatus

Eye refractometer having variable wavelength illumination means

Eye examining apparatus including an eye refraction measuring syste...

Ophthalmic apparatus

Keratometer

Ophthalmic measuring apparatus

Ocular refractivity measuring apparatus

Visual target apparatus

Patents Applicationslast 30 patents

Ophthalmologic apparatus

Ophthalmologic apparatus