Location History:
- Fuji, JP (1995 - 2002)
- Shizuoka, JP (1992 - 2006)
- Fujinomiya, JP (2012)
Company Filing History:
14 out of 1,022 
1 out of 13,408 
1 out of 47 Years Active: 1992-2012
Title: The Innovations of Ikuo Hirose: A Pioneer in Automatic Transmission Technology
Introduction: Ikuo Hirose, an esteemed inventor based in Shizuoka, Japan, has made significant contributions to the field of automatic transmission technology. With a remarkable portfolio of 15 patents, his work has had a profound impact on the automotive industry and has improved the functionality and reliability of vehicle transmissions.
Latest Patents: Among his latest innovations are two notable patents: the "Hydraulic Control Device of Automatic Transmission" and the "System for Controlling Torque Reduction at Shifting for Automatic Transmission." The hydraulic control device features a dual-purpose pressure adjusting valve that provides hydraulic pressure in the event of electric power supply failure. It selectively directs hydraulic pressure to the high clutch and low & reverse brake using a line pressure that bypasses a manual valve. Additionally, the system includes a switching valve that alters hydraulic pressure feeding passages based on the vehicle's range selection.
In the second patent, Hirose’s system for controlling torque reduction optimizes the start and completion timings of torque-reduction control to enhance shift quality and endurance reliability of friction materials during shifting. This innovation effectively recognizes the actual gear ratio and calculates the necessary torque-reduction amount, culminating in smoother transmission performance.
Career Highlights: Ikuo Hirose’s career has been highlighted by his tenures at prominent automotive companies, including Jatco Corporation and Nissan Motor Company Limited. His role in these organizations allowed him to refine his skills in transmission technology, leading to groundbreaking advancements recognized throughout the industry.
Collaborations: Throughout his career, Ikuo Hirose has collaborated with talented professionals such as Hideharu Sugiyama and Yoshifumi Fujita. These partnerships have fostered an environment of innovation, enabling them to tackle complex challenges in automatic transmission engineering collectively.
Conclusion: Ikuo Hirose’s contributions to automatic transmission technology exemplify his dedication to innovation and excellence. With a proven track record of developing sophisticated solutions to enhance vehicle performance, he continues to inspire aspiring engineers and inventors in the automotive industry. His patents not only reflect his ability to solve problems but also highlight the importance of effective teamwork and collaboration in the pursuit of technological advancement.