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Masashi Okahisa
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Aichi, JP
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Patents Grants
last 30 patents
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Patent Grant
Anti-vibration rubber composition and anti-vibration rubber member
Patent number
11,965,077
Issue date
Apr 23, 2024
Sumitomo Riko Company Limited
Masashi Okahisa
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Patents Applications
last 30 patents
Information
Patent Application
RESIN COMPOSITION FOR VEHICLE COOLANT TRANSPORT TUBE AND VEHICLE CO...
Publication number
20250197602
Publication date
Jun 19, 2025
SUMITOMO RIKO COMPANY LIMITED
Masashi OKAHISA
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
MULTILAYER TUBE
Publication number
20240173936
Publication date
May 30, 2024
SUMITOMO RIKO COMPANY LIMITED
Masashi OKAHISA
B32 - LAYERED PRODUCTS
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Patent Application
FLAME-RETARDANT VIBRATION ISOLATION RUBBER COMPOSITION AND FLAME-RE...
Publication number
20230407058
Publication date
Dec 21, 2023
SUMITOMO RIKO COMPANY LIMITED
Fumitomo ITATSU
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
VIBRATION ISOLATION RUBBER COMPOSITION AND VIBRATION ISOLATION RUBB...
Publication number
20220056243
Publication date
Feb 24, 2022
SUMITOMO RIKO COMPANY LIMITED
Masashi OKAHISA
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
VIBRATION ISOLATION RUBBER COMPOSITION AND VIBRATION ISOLATION RUBB...
Publication number
20210371626
Publication date
Dec 2, 2021
SUMITOMO RIKO COMPANY LIMITED
Masashi OKAHISA
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
ANTI-VIBRATION RUBBER COMPOSITION AND ANTI-VIBRATION RUBBER MEMBER
Publication number
20210206944
Publication date
Jul 8, 2021
SUMITOMO RIKO COMPANY LIMITED
Masashi Okahisa
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...