Ai Takumi

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Utsunomiya-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Observation apparatus and image pickup apparatus
- Patent number 11,092,798
- Issue date Aug 17, 2021
- Canon Kabushiki Kaisha
- Ai Takumi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Eyepiece optical system and observation apparatus
- Patent number 10,831,016
- Issue date Nov 10, 2020
- Canon Kabushiki Kaisha
- Ai Takumi
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
OBSERVATION APPARATUS AND IMAGE PICKUP APPARATUS
- Publication number 20190271900
- Publication date Sep 5, 2019
- Canon Kabushiki Kaisha
- Ai Takumi
- G02 - OPTICS
Information Patent Application
EYEPIECE OPTICAL SYSTEM AND OBSERVATION APPARATUS
- Publication number 20190171000
- Publication date Jun 6, 2019
- Canon Kabushiki Kaisha
- Ai Takumi
- G02 - OPTICS