This inventor holds 3 USPTO granted patents, plus 1 CIPO patent and 1 EPO patent. Top assignees: Yutaka Giken Co., Ltd., Honda Giken Kogyo Kabushiki Kaisha, Honda Motor Co., Ltd.. Active years: 1998-2013.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
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 22,925 
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
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile