Company Filing History:
2 out of 3,252 
1 out of 36,713 
Years Active: 1987-1991
Title: Motokazu Momiyama: A Pioneer in Ignition Technology
Introduction
Motokazu Momiyama, an innovative inventor based in Okazaki, Japan, has made significant contributions to the field of ignition technology. With a total of two patents to his name, Momiyama has developed advanced solutions that address critical challenges in internal combustion engines.
Latest Patents
One of his latest inventions is a **Contactless Ignition Apparatus for Internal Combustion Engine**. This apparatus features a resin-molded closed magnetic circuit type ignition coil, which includes an iron core constituting a closed magnetic circuit. It consists of a primary winding and a secondary winding wrapped around the iron core, along with mold resin for insulating both windings. Additionally, it incorporates a semiconductor switching circuit designed to interrupt the current flow to the primary winding, enhancing the efficiency of the ignition process. Notably, the falling rate of the primary current upon interruption is meticulously set within a range of 0.2 to 0.4 A/µs, significantly reducing noise radiation from the ignition coil.
Another remarkable patent is the **Ignition Distributor with Noise Suppression Electrode Oxide Coating**. This innovation features an ignition distributor equipped with a radio wave noise suppressing function, comprising a rotor electrode and counter electrodes. At least one of the electrodes is coated with a blend of metal oxides that ensure high electric resistance, while maintaining stability in high-temperature environments. This design employs specific weight percentages of Cu2O and CuO for optimal performance.
Career Highlights
Motokazu Momiyama has worked with renowned companies in the automotive industry, including Nippondenso Co., Ltd. and Toyota Motor Corporation. His experience at these influential organizations has undoubtedly enriched his understanding of automotive technology and innovation.
Collaborations
Throughout his career, Momiyama has collaborated with notable colleagues, including Hideo Asakura and Naotaka Nakamura. These partnerships have fostered an environment of creativity and resourcefulness, leading to groundbreaking innovations.
Conclusion
Motokazu Momiyama stands out as a remarkable inventor in the automotive sector, particularly with his advancements in ignition technology. His patents reflect a deep understanding of engineering principles and a commitment to improving engine performance and reliability. As he continues to innovate, the impact of his work will undoubtedly resonate in the automotive industry for years to come.