Location History:
- Himeji City, JP (1991)
- Himeji, JP (1989 - 1996)
- Hyogo, JP (1989 - 1997)
- Tokyo, JP (1998 - 2005)
Company Filing History:
34 out of 21,351 
5 out of 488 
Years Active: 1989-2005
Title: Shigeru Shiroyama: A Pioneer in Power Transmission Technologies
Introduction: Shigeru Shiroyama is a notable inventor based in Tokyo, Japan, with an impressive portfolio of 39 patents. His work primarily focuses on innovations in power transmission control devices for vehicles, contributing significantly to advancements in automotive engineering.
Latest Patents: Among Shiroyama's latest patents are two highly innovative inventions. The first is a Power Transmission Control Device for Vehicles, designed to manage the transition between speed-increasing and constant-speed modes based on various factors including electrical load and battery status. This technology minimizes shock during switching, thereby enhancing vehicle performance. The device comprises an electric rotating machine, a crank pulley, a planetary gear mechanism, and a controller for an electromagnetic clutch, ensuring smooth operation under optimal conditions.
Another recent patent is for a Stator for a Starter Motor. This invention features an approximately cylindrical yoke, poles positioned within the yoke, and field windings wound around these poles. The yoke is constructed from multiple cylindrical cores of varying diameters, stacked radially to improve efficiency and reduce manufacturing costs.
Career Highlights: Throughout his career, Shigeru Shiroyama has made substantial contributions while working at prominent companies such as Mitsubishi Denki Kabushiki Kaisha and Mitsubishi Denki K.K. His innovative spirit and technical expertise have garnered recognition in the field of automotive technology.
Collaborations: Shiroyama has collaborated with esteemed colleagues such as Akira Kuragaki and Koichiro Kamei. Their joint efforts reflect a teamwork-oriented approach that has fostered creativity and innovation in their projects.
Conclusion: Shigeru Shiroyama exemplifies the spirit of innovation in the automotive industry through his extensive patent portfolio and collaborative work. His inventions in power transmission technologies not only enhance vehicle performance but also pave the way for future advancements in automotive design and engineering, making him a vital contributor to the field.