This inventor holds 48 USPTO granted patents and 1 published patent application, primarily in Image Processing. Top assignees: Canon Kabushiki Kaisha, Nitto Kohki Co., Ltd., Sp Air Kabusiki Kaisha Corporation. Active years: 1996-2026.
Location History:
- Machida, JP (1996 - 1998)
- Yokohama, JP (1998 - 2006)
- Kanagawa, JP (2004 - 2010)
- Kanagawa-ken, JP (2008 - 2010)
- Kawasaki, JP (2010)
- Tokyo, JP (1998 - 2011)
- Ohta-ku, JP (2011)
Company Filing History:
41 out of 92,842 
4 out of 323 
2 out of 22 
Years Active: 1996-2026
Areas of Expertise:
Title: Innovator Spotlight: Kunihiro Yamamoto
Introduction
Kunihiro Yamamoto is a prolific inventor based in Kanagawa, Japan, holding a remarkable portfolio of 46 patents. His innovations primarily focus on advanced electromagnetic devices, showcasing his expertise and creativity in the field of fluid mechanics and electromagnetic engineering.
Latest Patents
Among his latest contributions, Yamamoto has developed two notable inventions:
1. **Electromagnetic Reciprocating Fluid Device** - This device utilizes a magnetic armature that is attracted and driven by an intermittently generated magnetic force between opposing magnetic poles. It features a piston that is pushed back by a coil spring and remains unrotated, allowing efficient operation. Once the magnetic armature reaches a specified rotational angle around its axis, it receives a rotational torque counteracting that of the coil spring, thereby maintaining its position. The armature’s design includes a circular cross-section with a chamfered part that enhances its interaction with the magnetic poles.
2. **Electromagnetic Reciprocating Fluid Apparatus** - This apparatus incorporates a magnetic circuit device with magnetic pole members projecting inward from an annular magnetic circuit member. It includes first and second additional annular magnetic circuit members flanking the central member to minimize magnetic reluctance at the junctions. This design enables higher efficiency by managing magnetic flux concentration effectively.
Career Highlights
Yamamoto has collaborated with esteemed companies throughout his career, notably including Canon Inc. and Nitto Kohki Co., Ltd. His work at these innovative companies has significantly contributed to the advancement of electromagnetic technologies, and he continues to be recognized for his impactful inventions.
Collaborations
Throughout his career, Yamamoto has worked alongside notable colleagues such as Kiyoshi Kusama and Kentaro Matsumoto. Their collaboration has facilitated the development of groundbreaking technologies and fostered further advancements in electromagnetism.
Conclusion
Kunihiro Yamamoto stands out as a key figure in the field of electromagnetic innovations. With 46 patents to his name and a vivid career marked by collaborations with leading tech companies, his work embodies a commitment to research and development. As technology continues to evolve, Yamamoto's inventions will undoubtedly play a crucial role in shaping the future of electromagnetic devices.