Selected for 2023 Good Design Korea - Excellent Industrial Design
Honored to be selected as an Excellent Industrial Design in the 2023 Good Design Korea.
A proud moment recognizing innovative de
Participating in Daegu Design Week 2021
Showcased innovative design at the 2021 Daegu Design Expo, held in Daegu, South Korea.
A proud moment that highlighted our potential to lead the future of design..
Participating in Daegu Design Week 2021
Patent Certificate
Since 1989, we have been at the forefront of innovation, securing numerous patents, utility models, and trademarks. Explore our journey of technological advancement below.
List of Intellectual Properties by Year
2020s
2024-02-26: Trademark (No. 4-2159621) – King Master Trademark
2023-10-16: Patent (No. 10-2591698) – Gas Torch Fuel Tank Coupling Device
2022-12-29: Patent (No. 10-2484226) – Torch Coupling for Combined Use of Butane and Isobutane
2022-07-21: Design Registration (No. 30-1174727) – King Master Design
2022-05-13: Patent (No. 10-2399561) – Torch for Combined Use of Butane and Isobutane
2021-06-24: Patent (No. 10-2306284) – One-Hand Operated Torch with Flame Length Adjustment and Extinguishing Function
2010s
2018-12-31: Patent (No. 10-1935872) – Butane Gas Torch
2018-12-05: Patent (No. 10-1927800) – Butane Gas Torch
2014-05-23: Patent (No. 10-1401767) – Butane Gas Torch
2011-01-21: Utility Model (No. 20-0452049) – Butane Gas Torch
2010-08-20: Utility Model (No. 20-0449975) – Gas Torch for Butane Gas
2000s
2007-12-05: Utility Model (No. 20-0437580) – Gas Torch for Butane Gas
2004-11-29: Patent (No. 10-0460418) – Manufacturing Method for Metal Plate Filters for Drainage
2003-08-23: Utility Model (No. 20-0325307) – Scissor Blade Attachment Device
2000-11-04: Utility Model (No. 20-0210406) – Combustion Tube for Butane Gas Torch
2000-06-14: Utility Model (No. 20-0193843) – Metal Butane Gas Torch
2000-02-15: Utility Model (No. 20-0169202) – Feed Container for Rabbit Breeders
1990s
1999-01-25: Utility Model (No. 1999-003945) – Window Roller
1999-01-25: Utility Model (No. 1999-003946) – Bearing for Window Roller
1995-07-22: Utility Model (No. 127568) – Window Roller Repair Kit
1994-11-03: Trademark Registration (No. 301424) – Tonghap Rora
1994-02-21: Utility Model (No. 078437) – Mouse Trap
1993-08-20: Utility Model (No. 1993-0007797) – Mouse Trap
1992-08-13: Utility Model (No. 1992-0005502) – Window Roller
1991-10-28: Utility Model (No. 1991-0016977) – Aluminum Window Roller
1990-09-13: Design Registration (No. 119756) – Window Roller
1980s
1989-11-22: Design Registration (No. 98018) – Roller
1989-03-11: Utility Model (No. 39881) – Mouse Trap
1989-03-11: Utility Model (No. 39882) – Mouse Trap