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Kouichi Yonetani
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Yokohama-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Cured product, optical element, optical apparatus, and image pickup...
Patent number
12,146,011
Issue date
Nov 19, 2024
Canon Kabushiki Kaisha
Kei Tagami
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical element manufacturing method, optical element, optical appa...
Patent number
12,135,440
Issue date
Nov 5, 2024
Canon Kabushiki Kaisha
Hiroyuki Tanaka
B32 - LAYERED PRODUCTS
Information
Patent Grant
Optical element, optical apparatus, image pickup apparatus, and met...
Patent number
11,614,564
Issue date
Mar 28, 2023
Canon Kabushiki Kaisha
Kouichi Yonetani
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Optical element and optical apparatus
Patent number
11,237,300
Issue date
Feb 1, 2022
Canon Kabushiki Kaisha
Kouichi Yonetani
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
CURED PRODUCT, OPTICAL ELEMENT, OPTICAL APPARATUS, AND IMAGE PICKUP...
Publication number
20250034294
Publication date
Jan 30, 2025
Canon Kabushiki Kaisha
Kei Tagami
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
OPTICAL ELEMENT MANUFACTURING METHOD, OPTICAL ELEMENT, OPTICAL APPA...
Publication number
20250028090
Publication date
Jan 23, 2025
Canon Kabushiki Kaisha
Hiroyuki Tanaka
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
DIFFRACTIVE OPTICAL ELEMENT, OPTICAL APPARATUS, DISPLAY APPARATUS,...
Publication number
20240319418
Publication date
Sep 26, 2024
Canon Kabushiki Kaisha
KUMIKO YASHIMA
G02 - OPTICS
Information
Patent Application
DIFFRACTIVE OPTICAL ELEMENT AND METHOD OF MANUFACTURING DIFFRACTIVE...
Publication number
20240264341
Publication date
Aug 8, 2024
Canon Kabushiki Kaisha
KOUICHI YONETANI
G02 - OPTICS
Information
Patent Application
CURED PRODUCT, OPTICAL ELEMENT, OPTICAL APPARATUS, AND IMAGE PICKUP...
Publication number
20220403066
Publication date
Dec 22, 2022
Canon Kabushiki Kaisha
Kei Tagami
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL ELEMENT MANUFACTURING METHOD, OPTICAL ELEMENT, OPTICAL APPA...
Publication number
20220003901
Publication date
Jan 6, 2022
Canon Kabushiki Kaisha
Hiroyuki Tanaka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL ELEMENT, OPTICAL APPARATUS, IMAGE PICKUP APPARATUS, AND MET...
Publication number
20200386914
Publication date
Dec 10, 2020
Canon Kabushiki Kaisha
Kouichi Yonetani
G02 - OPTICS
Information
Patent Application
OPTICAL ELEMENT AND OPTICAL APPARATUS
Publication number
20190285772
Publication date
Sep 19, 2019
Canon Kabushiki Kaisha
Kouichi Yonetani
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL