Ken Tomioka

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Patents Grantslast 30 patents

Information Patent Grant
Ophthalmic instrument, management method, and management device
- Patent number 11,918,286
- Issue date Mar 5, 2024
- Nikon Corporation
- Hideki Obara
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Subjective eye refractive power measuring apparatus
- Patent number 6,033,074
- Issue date Mar 7, 2000
- Nikon Corporation
- Nobuyuki Miyake
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Ophthalmic illumination device having adjustable transmittance memb...
- Patent number 5,801,807
- Issue date Sep 1, 1998
- Nikon Corporation
- Eiji Satake
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Microscope
- Patent number 5,668,661
- Issue date Sep 16, 1997
- Nikon Corporation
- Ken Tomioka
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Optical instrument
- Patent number 5,661,598
- Issue date Aug 26, 1997
- Nikon Corporation
- Ken Tomioka
- G02 - OPTICS
Information Patent Grant
Slit lamp microscope
- Patent number 5,424,788
- Issue date Jun 13, 1995
- Nikon Corporation
- Eiji Satake
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Ophthalmic photographing apparatus having a displacement measuremen...
- Patent number 5,250,966
- Issue date Oct 5, 1993
- Nikon Corporation
- Haruo Oda
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
OPHTHALMIC INSTRUMENT, MANAGEMENT METHOD, AND MANAGEMENT DEVICE
- Publication number 20240164635
- Publication date May 23, 2024
- Nikon Corporation
- Hideki OBARA
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
OPHTHALMIC INSTRUMENT, MANAGEMENT DEVICE, AND METHOD FOR MANAGING A...
- Publication number 20210121059
- Publication date Apr 29, 2021
- Nikon Corporation
- Shota MIYAZAKI
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
OPHTHALMIC INSTRUMENT, MANAGEMENT METHOD, AND MANAGEMENT DEVICE
- Publication number 20200352432
- Publication date Nov 12, 2020
- Nikon Corporation
- Hideki OBARA
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
OPHTHALMIC INSTRUMENT, IMAGE GENERATION DEVICE, PROGRAM, AND OPHTHA...
- Publication number 20200253468
- Publication date Aug 13, 2020
- Nikon Corporation
- Ken TOMIOKA
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE