Location History:
- Nishio, JP (2008)
- Gamagouri, JP (2009)
- Gamagori, JP (2010)
- Hishio, JP (2011)
Company Filing History:
4 out of 95 
1 out of 89 Years Active: 2008-2011
Title: Tomiyasu Hirano: Innovator in Variable Valve Mechanisms
Introduction
Tomiyasu Hirano is a notable inventor based in Hishio, Japan. He has made significant contributions to the field of mechanical engineering, particularly in the development of variable valve mechanisms. With a total of 4 patents to his name, Hirano's work showcases his innovative approach to engineering challenges.
Latest Patents
Hirano's latest patents include a variable valve mechanism that allows for the adjustment of valve opening and closing amounts. This invention features a rotating cam, a rocker arm, two lash adjusters, a hydraulic passage, and a switching mechanism. The rocker arm is designed with an input member and an output member, while the lash adjusters support the rocker arm's rocking motion. The hydraulic passage incorporates an internal oil passage within at least one lash adjuster and an arm oil passage within the rocker arm, facilitating the switching mechanism that alters the valve's operation. Another significant patent is for a rocker arm that is rockably attached to a cylinder head, which actuates a valve through a guide groove engaging with a valve stem. This rocker arm also includes a roller that interacts with a cam, enhancing its functionality.
Career Highlights
Throughout his career, Tomiyasu Hirano has worked with reputable companies such as Otics Corporation and Nakanishi Metal Works Co., Ltd. His experience in these organizations has contributed to his expertise in mechanical design and innovation.
Collaborations
Hirano has collaborated with talented individuals in his field, including Akira Sugiura and Tamotsu Yamamoto. These partnerships have likely fostered a creative environment that has led to the development of his innovative patents.
Conclusion
Tomiyasu Hirano's contributions to the field of variable valve mechanisms highlight his inventive spirit and dedication to engineering. His patents reflect a deep understanding of mechanical systems and a commitment to advancing technology.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.