Company Filing History:
1 out of 4,415 
1 out of 7 Years Active: 2020
Title: Hiroshi Ihara: Innovator in Gear Pump Technology
Introduction
Hiroshi Ihara is a notable inventor based in Kobe, Japan. He has made significant contributions to the field of mechanical engineering, particularly in the development of gear pump devices for rubber extrusion. His innovative approach has led to advancements that enhance the efficiency and longevity of these devices.
Latest Patents
Hiroshi Ihara holds a patent for a gear pump device specifically designed for rubber extrusion. This invention aims to prolong maintenance intervals by preventing rubber scorch at the gear support-shaft portion. The device features a bushing ring that is inserted into the gear-housing bore of a housing. This bushing ring rotatably supports the support-shaft portion of a gear accommodated in the gear-housing bore. It includes a built-in bearing and sealing means, which consists of a seal ring with a unique cross-section. The seal ring has a first lip portion that contacts the outer peripheral surface of the support-shaft portion, a second lip portion positioned radially outside, and a side wall portion connecting the outer ends of the first and second lip portions in the axial direction.
Career Highlights
Throughout his career, Hiroshi Ihara has worked with prominent companies in the industry. He has been associated with Sumitomo Rubber Industries Limited and Nakata Engineering Co., Ltd. His experience in these organizations has allowed him to refine his skills and contribute to significant projects in mechanical engineering.
Collaborations
Hiroshi Ihara has collaborated with talented individuals in his field, including Hiroyuki Onimatsu and Nozomu Nishioka. These collaborations have fostered innovation and have led to the development of advanced technologies in gear pump devices.
Conclusion
Hiroshi Ihara's contributions to gear pump technology exemplify his dedication to innovation in mechanical engineering. His patent for a gear pump device for rubber extrusion showcases his ability to solve complex engineering challenges. His work continues to influence the industry and inspire future inventors.