Kei KOIWAI

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Prepreg lamination apparatus, method of laminating prepregs and met...
- Patent number 11,679,570
- Issue date Jun 20, 2023
- SUBARU CORPORATION
- Daisuke Hirabayashi
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Fiber width adjustment device, fiber width adjustment method and co...
- Patent number 11,548,241
- Issue date Jan 10, 2023
- SUBARU CORPORATION
- Natsumi Yasukochi
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING

Patents Applicationslast 30 patents

Information Patent Application
PREPREG LAMINATION APPARATUS, METHOD OF LAMINATING PREPREGS AND MET...
- Publication number 20220072813
- Publication date Mar 10, 2022
- SUBARU CORPORATION
- Daisuke HIRABAYASHI
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
FIBER WIDTH ADJUSTMENT DEVICE, FIBER WIDTH ADJUSTMENT METHOD AND CO...
- Publication number 20200190700
- Publication date Jun 18, 2020
- SUBARU CORPORATION
- Natsumi YASUKOCHI
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING