Ken-ichi Nakahashi

Person

Hachiouji, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Automatic focus detecting mechanism for endoscopes
- Patent number 4,562,344
- Issue date Dec 31, 1985
- Olympus Optical Co., Ltd.
- Shin-ichi Mihara
- G02 - OPTICS
Information Patent Grant
In-focus detector for a binocular stereomicroscope
- Patent number 4,516,840
- Issue date May 14, 1985
- Olympus Optical Co., Ltd.
- Ken-ichi Nakahashi
- G02 - OPTICS
Information Patent Grant
Optical system for retinal cameras
- Patent number 4,509,838
- Issue date Apr 9, 1985
- Olympus Optical Co., Ltd.
- Youich Iba
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Optical system for ophthalmological instruments
- Patent number 4,439,023
- Issue date Mar 27, 1984
- Olympus Optical Co., Ltd.
- Youich Iba
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Objective for endoscopes
- Patent number 4,403,837
- Issue date Sep 13, 1983
- Olympus Optical Co., Ltd.
- Ken-ichi Nakahashi
- G02 - OPTICS
Information Patent Grant
Objective optical system for endoscopes
- Patent number 4,354,734
- Issue date Oct 19, 1982
- Olympus Optical Co., Ltd.
- Ken-ichi Nakahashi
- G02 - OPTICS
Information Patent Grant
Focusing method and apparatus for use in an optical system
- Patent number 4,340,811
- Issue date Jul 20, 1982
- Olympus Optical Co., Ltd.
- Nobuo Yamashita
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Optical system for endoscopes
- Patent number 4,300,812
- Issue date Nov 17, 1981
- Olympus Optical Co., Ltd.
- Ken-ichi Nakahashi
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Objective lens system for microscopes
- Patent number 4,279,476
- Issue date Jul 21, 1981
- Olympus Optical Co., Ltd.
- Ken-ichi Nakahashi
- G02 - OPTICS

Ken-ichi Nakahashi

Person

Patents Grantslast 30 patents

Automatic focus detecting mechanism for endoscopes

In-focus detector for a binocular stereomicroscope

Optical system for retinal cameras

Optical system for ophthalmological instruments

Objective for endoscopes

Objective optical system for endoscopes

Focusing method and apparatus for use in an optical system

Optical system for endoscopes

Objective lens system for microscopes