Location History:
- Ibaraki, JP (2021)
- Koga, JP (2022)
Company Filing History:
Years Active: 2021-2022
Title: Mitsuharu Shiina: Innovator in Sealing Technology
Introduction
Mitsuharu Shiina is a notable inventor based in Ibaraki, Japan. He has made significant contributions to the field of sealing technology, holding 2 patents that showcase his innovative approach to engineering solutions.
Latest Patents
One of his latest inventions is a seal apparatus designed to provide sufficient sealing while being compact and inexpensive. This seal apparatus features a thread part that is screwed to the screw fastening part of a hollow component. It includes a seal part that moves along the axis of the screw part and comes into pressure contact with the screw fastening part of the hollow component. Additionally, it has a stopper part fixed to the screw part that restricts the movement of the seal part, a pressed part that moves the seal part into pressure contact, and a spring disposed between the pressed part and the stopper part. An accumulator is formed between the stopper part and the seal part, allowing a test fluid to flow into the hollow component for inspection.
Another significant patent is a gas-tight plug that can be attached by pressing it against an opening portion of a hollow component. This gas-tight plug is designed to be inserted into the opening using the force of pressing, ensuring automatic alignment even if the positions of multiple opening portions vary within an allowable tolerance. The design includes an end portion and a contact part of a base portion end that has a circular flat surface coaxial with the end portion, with specific dimensions to ensure effective sealing.
Career Highlights
Mitsuharu Shiina works at Sanoh Industrial Co., Ltd., where he continues to develop innovative solutions in sealing technology. His work has contributed to advancements in various applications, enhancing the efficiency and reliability of sealing mechanisms.
Collaborations
He collaborates with talented coworkers, including Miyuki Takahashi and Kazuyuki Haraga, who contribute to the innovative environment at Sanoh Industrial Co., Ltd.
Conclusion
Mitsuharu Shiina's contributions to sealing technology through his patents reflect his commitment to innovation and engineering excellence. His work continues to impact the industry positively, showcasing the importance of inventive solutions in modern technology.