Shigeru Okikawa

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Ophthalmologic apparatus
- Patent number 11,911,102
- Issue date Feb 27, 2024
- Topcon Corporation
- John Thomas Trefethen
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Ophthalmologic apparatus
- Patent number 11,471,049
- Issue date Oct 18, 2022
- Topcon Corporation
- Takafumi Yukimori
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Ophthalmic apparatus
- Patent number 10,231,620
- Issue date Mar 19, 2019
- Kabushiki Kaisha TOPCON
- Ryota Ishiai
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Optical image measurement apparatus and optical attenuator
- Patent number 9,072,457
- Issue date Jul 7, 2015
- Kabushiki Kaisha Topcon
- Shigeru Okikawa
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
OPHTHALMOLOGIC APPARATUS
- Publication number 20220110517
- Publication date Apr 14, 2022
- TOPCON CORPORATION
- John Thomas TREFETHEN
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
OPHTHALMOLOGIC APPARATUS
- Publication number 20200253472
- Publication date Aug 13, 2020
- TOPCON CORPORATION
- Takafumi YUKIMORI
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
OPHTHALMIC APPARATUS
- Publication number 20170224213
- Publication date Aug 10, 2017
- KABUSHIKI KAISHA TOPCON
- Ryota Ishiai
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
OPTICAL IMAGE MEASUREMENT APPARATUS AND OPTICAL ATTENUATOR
- Publication number 20120257212
- Publication date Oct 11, 2012
- KABUSHIKI KAISHA TOPCON
- Shigeru Okikawa
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE