Kimiaki HASHIMOTO

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Kumagaya-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Sintered valve seat
- Patent number 10,584,618
- Issue date Mar 10, 2020
- Kabushiki Kaisha Riken
- Kimiaki Hashimoto
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Sintered valve seat
- Patent number 10,563,548
- Issue date Feb 18, 2020
- Kabushiki Kaisha Riken
- Kimiaki Hashimoto
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Sintered valve seat and its production method
- Patent number 10,344,636
- Issue date Jul 9, 2019
- Kabushiki Kaisha Riken
- Kimiaki Hashimoto
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Sintered iron-based alloy valve seat
- Patent number 9,359,921
- Issue date Jun 7, 2016
- Kabushiki Kaisha Riken
- Kimiaki Hashimoto
- C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents

Information Patent Application
SINTERED VALVE SEAT
- Publication number 20190360366
- Publication date Nov 28, 2019
- Kabushiki Kaisha Riken
- Kimiaki HASHIMOTO
- B22 - CASTING POWDER METALLURGY
Information Patent Application
SINTERED VALVE SEAT
- Publication number 20180283234
- Publication date Oct 4, 2018
- Kabushiki Kaisha Riken
- Kimiaki HASHIMOTO
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
SINTERED VALVE SEAT AND ITS PRODUCTION METHOD
- Publication number 20170145875
- Publication date May 25, 2017
- Kabushiki Kaisha Riken
- Kimiaki HASHIMOTO
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
SINTERED IRON-BASED ALLOY VALVE SEAT
- Publication number 20150152753
- Publication date Jun 4, 2015
- Kabushiki Kaisha Riken
- Kimiaki Hashimoto
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...