Company Filing History:
3 out of 180 
2 out of 13,692 
1 out of 61 Years Active: 2002-2019
Title: Masaaki Totsuka - Innovator in Surface-Mount Inductor Technology
Introduction
Masaaki Totsuka is an inventor based in Tsurugashima-shi, Japan. He has made significant contributions to the field of surface-mount inductors. Although he currently holds no granted patents, his innovative ideas are reflected in his latest patent applications.
Latest Patent Applications
Masaaki Totsuka's latest patent applications include a process for producing a surface-mount inductor. This process involves a forming die assembly that comprises a lower die, a first upper die with three peripheral side surfaces and one opening, and a second upper die for closing the first upper die opening. This assembly defines a cavity where the coil is formed by winding a wire and processing its led-out end to contact the side surfaces of the upper dies. The coil is placed in the cavity from the open side of the first upper die, ensuring that its led-out end makes contact with the side surfaces. The coil is then sealed with a sealant containing magnetic powder while the upper dies are clamped together to form the core. An external electrode is formed on the core, and the led-out end of the coil is connected to this external electrode. Another application details a surface mount inductor that includes a drum core with flanges at both ends of a winding shaft. The winding is formed by winding an insulation-coated wire around the shaft, and plate-like metal terminals are arranged on the flange surface of the drum core. These terminals have protrusion parts that are compressed and formed to a predetermined height, allowing for effective connection processing.
Conclusion
Masaaki Totsuka's work in the field of surface-mount inductors showcases his innovative approach to technology. His latest patent applications reflect his commitment to advancing this area of engineering.