Hirofumi Iritani is a notable inventor based in Sakai, Japan. He has made significant contributions to the field of engineering, particularly in the development of systems that enhance the performance of working vehicles. With a total of 6 patents to his name, Iritani's work focuses on improving the functionality and user experience of machinery.

Latest Patents

One of Iritani's latest patents is a vibration and noise proofing system for a hydrostatic stepless transmission (HST) used in working vehicles such as tractors and lawn mowers. This innovative system includes a case secured to intermediate mounting plates, which are attached to a gear transmission case through vibration and sound absorbers. The output shafts of the HST connect to input shafts of a gear transmission via vibration absorbing shaft couplings. Each vibration absorber consists of a metallic outer tube, a metallic inner tube, and a rubber element that fills the annular space between them. This design effectively minimizes vibrations and noise, enhancing the overall performance of the vehicle.

Another significant patent involves a four-wheel drive work vehicle that can operate in standard four-wheel drive, accelerated four-wheel drive, and two-wheel drive modes. This invention improves drive-mode switching operability through a linearly operable link mechanism, which connects one operational system for directly operating a shift fork member with another system that operates via a cam member linked to the steering wheel.

Career Highlights

Hirofumi Iritani is currently employed at Kubota Corporation, a leading company in the agricultural and construction machinery sector. His work at Kubota has allowed him to apply his innovative ideas to real-world applications, contributing to the advancement of technology in the industry.

Collaborations

Iritani has collaborated with notable coworkers such as Tadashi Nakamura and Kenzo Ushiro. Their combined expertise has fostered an environment of innovation and creativity, leading to the development of groundbreaking technologies.

Conclusion

Hirofumi Iritani's contributions to the field of engineering, particularly in vibration and noise proofing systems, demonstrate his commitment to innovation. His patents reflect a deep understanding of machinery and a desire to enhance the functionality of working vehicles. Through his work at Kubota Corporation and collaborations with talented colleagues, Iritani

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