Sachiko NASU

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Endoscope objective lens unit and endoscope
- Patent number 11,525,998
- Issue date Dec 13, 2022
- Hoya Corporation
- Hiroaki Fujii
- G02 - OPTICS
Information Patent Grant
Endoscope objective lens unit and endoscope
- Patent number 11,487,101
- Issue date Nov 1, 2022
- Hoya Corporation
- Hiroaki Fujii
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Endoscope magnification optical system, endoscope, and endoscope sy...
- Patent number 10,898,061
- Issue date Jan 26, 2021
- Hoya Corporation
- Hiroaki Fujii
- G02 - OPTICS
Information Patent Grant
Light source optical system having tapered light guide rod
- Patent number 10,209,506
- Issue date Feb 19, 2019
- Hoya Corporation
- Hiroaki Fujii
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Endoscope and variable power optical system for the same
- Patent number 10,088,666
- Issue date Oct 2, 2018
- Hoya Corporation
- Sachiko Nasu
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Endoscope and objective lens for the same
- Patent number 8,164,839
- Issue date Apr 24, 2012
- Hoya Corporation
- Sachiko Nasu
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
ENDOSCOPE OBJECTIVE LENS UNIT AND ENDOSCOPE
- Publication number 20200285040
- Publication date Sep 10, 2020
- HOYA CORPORATION
- Hiroaki FUJII
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
ENDOSCOPE OBJECTIVE LENS UNIT AND ENDOSCOPE
- Publication number 20200201021
- Publication date Jun 25, 2020
- HOYA CORPORATION
- Hiroaki FUJII
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
ENDOSCOPE MAGNIFICATION OPTICAL SYSTEM, ENDOSCOPE, AND ENDOSCOPE SY...
- Publication number 20190053695
- Publication date Feb 21, 2019
- HOYA CORPORATION
- Hiroaki FUJII
- G02 - OPTICS
Information Patent Application
ENDOSCOPE AND VARIABLE POWER OPTICAL SYSTEM FOR THE SAME
- Publication number 20180017779
- Publication date Jan 18, 2018
- HOYA CORPORATION
- Sachiko NASU
- G02 - OPTICS
Information Patent Application
ENDOSCOPE MAGNIFICATION OPTICAL SYSTEM AND ENDOSCOPE
- Publication number 20170303774
- Publication date Oct 26, 2017
- HOYA CORPORATION
- Sachiko NASU
- G02 - OPTICS
Information Patent Application
LIGHT SOURCE OPTICAL SYSTEM AND LIGHT SOURCE DEVICE
- Publication number 20170115478
- Publication date Apr 27, 2017
- HOYA CORPORATION
- Hiroaki FUJII
- G02 - OPTICS
Information Patent Application
ENDOSCOPE AND OBJECTIVE LENS FOR THE SAME
- Publication number 20110002052
- Publication date Jan 6, 2011
- HOYA CORPORATION
- Sachiko NASU
- G02 - OPTICS