This inventor holds 47 USPTO granted patents and 21 published patent applications and 14 EPO patents, primarily in Semiconductor Technology. Top assignees: Rohm Co., Ltd., Mazda Motor Corporation, Rohm Gmbh. Active years: 2015-2026.
Company Filing History:
44 out of 6,021 
9 out of 4,746 
3 out of 588 
Years Active: 2015-2026
Areas of Expertise:
Title: Masashi Hayashiguchi: Innovator in Electric Drive Technologies
Introduction: Masashi Hayashiguchi is a prominent inventor based in Kyoto, Japan, recognized for his significant contributions to electric drive technologies. With a remarkable portfolio of 36 patents, he has pioneered advancements in inverters and power modules that enhance the efficiency and functionality of various electric systems.
Latest Patents: Among Hayashiguchi's most recent innovations are the following patents:
1. **Electric drive with arc shaped busbar connected to terminal of smoothing capacitor** - This invention features an inverter positioned adjacent to one end of a motor along the rotational axis. The design includes multiple power modules, each comprising a switching element, a smoothing capacitor, and busbars connecting the power modules to the capacitor. Notably, the busbars are arranged in a circumferential direction with an inner edge portion that connects to the capacitor terminal in an arc or circular shape.
2. **Inverter having capacitor bus plates connecting to power modules** - In this design, the smoothing capacitor consists of multiple columnar unit capacitors, each with electrodes at both ends. The one-end-side bus plate connects to one electrode, while the other-end-side bus plate is linked to the opposite electrode. The unit capacitors and power modules are strategically arranged side by side to optimize the inverter's performance.
Career Highlights: Hayashiguchi has had an influential career, working with renowned companies that have shaped his expertise. He has been associated with Rohm Co., Ltd. and Mazda Motor Corporation, where he applied his innovative spirit to the development of cutting-edge technologies.
Collaborations: Throughout his career, Masashi Hayashiguchi has collaborated with notable professionals, including Kazuhide Ino and Takumi Kanda. These partnerships have played a crucial role in fostering creativity and enhancing the impact of his innovations in the field of electrical engineering.
Conclusion: Masashi Hayashiguchi stands out as a key figure in the world of electric drive technologies. With his extensive patent portfolio and impactful collaborations, he continues to drive advancements that contribute to the evolution of electric systems. His inventions not only showcase his ingenuity but also pave the way for future innovations in the industry.