Location History:
- Kitsuregawa-machi, JP (1998)
- Shizuoka, JP (2006)
- Hamamatsu, JP (2013)
Company Filing History:
3 out of 58 
2 out of 10,092 
1 out of 21,862 
Years Active: 1998-2013
Title: Biography of Isao Hirokawa
Introduction: Isao Hirokawa is a notable inventor based in Hamamatsu, Japan. He has made significant contributions to the field of engineering, particularly in the development of innovative heat exchange technologies and valve devices.
Latest Patents: Hirokawa holds three patents, with his latest inventions including a heat exchange tube and a valve device for a silencer. The heat exchange tube is designed with a cylindrical structure featuring conical projecting portions that enhance heat exchange efficiency. The valve device for a silencer operates by opening a bypass passage when exhaust gas pressure reaches a certain threshold, allowing for improved exhaust flow management.
Career Highlights: Throughout his career, Hirokawa has worked with prominent companies such as Yutaka Giken Co., Ltd. and Honda Giken Kogyo Kabushiki Kaisha. His experience in these organizations has allowed him to refine his skills and contribute to various engineering projects.
Collaborations: Hirokawa has collaborated with talented individuals in the industry, including Masayuki Uegane and Tetsuaki Nakayama. These partnerships have fostered innovation and the successful development of his patented technologies.
Conclusion: Isao Hirokawa's work exemplifies the spirit of innovation in engineering. His patents reflect a commitment to enhancing technology and improving efficiency in mechanical systems. His contributions continue to influence the field
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.