Keiichi Ishizuka

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Magnesium-lithium-based alloy
- Patent number 11,840,749
- Issue date Dec 12, 2023
- Canon Kabushiki Kaisha
- Keiichi Ishizuka
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Optical element and processing method for the same
- Patent number 7,344,263
- Issue date Mar 18, 2008
- Canon Kabushiki Kaisha
- Keiichi Ishizuka
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
ALLOY, ALLOY MEMBER, APPARATUS, AND METHOD OF MANUFACTURING ALLOY
- Publication number 20240384376
- Publication date Nov 21, 2024
- Canon Kabushiki Kaisha
- HIROTOMO TAMIYA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
ALLOY, ALLOY MEMBER, INSTRUMENT, AND METHOD OF MANUFACTURING ALLOY
- Publication number 20240279781
- Publication date Aug 22, 2024
- Canon Kabushiki Kaisha
- KEIICHI ISHIZUKA
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
ALLOY MEMBER, APPARATUS, AND METHOD FOR MANUFACTURING ALLOY MEMBER
- Publication number 20230272548
- Publication date Aug 31, 2023
- Canon Kabushiki Kaisha
- HIROTOMO TAMIYA
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
MAGNESIUM-LITHIUM-BASED ALLOY
- Publication number 20220298609
- Publication date Sep 22, 2022
- Canon Kabushiki Kaisha
- Keiichi Ishizuka
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
MAGNESIUM-LITHIUM-BASED ALLOY
- Publication number 20210025037
- Publication date Jan 28, 2021
- Canon Kabushiki Kaisha
- Keiichi Ishizuka
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
OPTICAL UNIT, OPTICAL ELEMENT AND METHOD FOR MANUFACTURING THE SAME
- Publication number 20160223727
- Publication date Aug 4, 2016
- Canon Kabushiki Kaisha
- Shigeru SUGIYAMA
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
Optical element and processing method for the same
- Publication number 20050225887
- Publication date Oct 13, 2005
- Canon Kabushiki Kaisha
- Keiichi Ishizuka
- G02 - OPTICS

Keiichi Ishizuka

Person

Patents Grantslast 30 patents

Magnesium-lithium-based alloy

Optical element and processing method for the same

Patents Applicationslast 30 patents

ALLOY, ALLOY MEMBER, APPARATUS, AND METHOD OF MANUFACTURING ALLOY

ALLOY, ALLOY MEMBER, INSTRUMENT, AND METHOD OF MANUFACTURING ALLOY

ALLOY MEMBER, APPARATUS, AND METHOD FOR MANUFACTURING ALLOY MEMBER

MAGNESIUM-LITHIUM-BASED ALLOY

MAGNESIUM-LITHIUM-BASED ALLOY

OPTICAL UNIT, OPTICAL ELEMENT AND METHOD FOR MANUFACTURING THE SAME

Optical element and processing method for the same