Company Filing History:
Years Active: 1996
Title: Hiroshi Kotacki: Innovator in Multi-Shaft Drilling Technology
Introduction
Hiroshi Kotacki is a notable inventor based in Sagamihara, Japan. He has made significant contributions to the field of drilling technology, particularly with his innovative designs that enhance the efficiency of underground construction.
Latest Patents
Hiroshi holds a patent for a Multi-Shaft Drilling Unit. This advanced drilling unit features three auger shafts designed to develop a continuous underground wall. The unit includes a housing that retains pitch between the auger shafts, primary transfer gears rotating around a central auger shaft, and secondary transfer gears that engage with the primary transfer gears. Additionally, it incorporates a tertiary transfer gear connected to the primary transfer gear and a quaternary transfer gear fixed to a rotary shaft that crosses the auger shaft centers orthogonally. The design also features cone-shaped cutters that expand the diameter outward and are fixed on both ends of the rotary shaft. These cutters are engineered to cut off a triangular convex, forming a continuous wall unit with semicircular ends and straight sides, suitable for subsoil formation.
Career Highlights
Hiroshi Kotacki is currently employed at Chemical Grouting Company, Ltd., where he applies his expertise in drilling technology. His work focuses on developing innovative solutions that improve the efficiency and effectiveness of underground construction projects.
Collaborations
Hiroshi collaborates with Mitsuhiro Shibasaki, a fellow innovator in the field. Their partnership enhances the development of advanced drilling technologies and contributes to the success of their projects.
Conclusion
Hiroshi Kotacki's contributions to the field of drilling technology, particularly through his patented Multi-Shaft Drilling Unit, demonstrate his commitment to innovation and efficiency in underground construction. His work continues to influence the industry positively.