This inventor holds 3 USPTO granted patents. Top assignees: Ishikawajima-Harima Heavy Industries Co., Ltd., Ishikawajima-Harima Jukogyo Kabushiki Kaisha, Kabushiki Kaisha Toshiba. Active years: 1981-1991.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
1 out of 341 
1 out of 306 
1 out of 53,276 
Years Active: 1981-1991
Title: Shuji Asami: Innovator in Hydrostatic Speaker Technology
Introduction
Shuji Asami is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of audio technology, particularly with his innovative designs in speaker systems. With a total of 3 patents, Asami has demonstrated his expertise and creativity in developing advanced audio solutions.
Latest Patents
One of Asami's latest patents is the hydrostatic speaker and speaker driver. This innovative speaker design includes an oscillator and a partition diaphragm that divides the oscillator into two chambers. At least one of these chambers serves as a fluid chamber, allowing the partition diaphragm to vibrate in response to external signals. The hydrostatic speaker is equipped with a speaker driver that features a fluid pressure controller and a control amplifier, enhancing its ability to radiate super low-frequency sound, which has been challenging for conventional speakers. Another notable patent is the delay circuit with a variable delay time, which comprises a series of clocked inverters and MOS FETs. This circuit allows for the selection of two different delay times, showcasing Asami's ingenuity in electronic design.
Career Highlights
Throughout his career, Shuji Asami has worked with prominent companies such as Ishikawajima-Harima Heavy Industries Co., Ltd. His experience in these organizations has contributed to his development as an inventor and has provided him with valuable insights into the engineering and manufacturing processes.
Collaborations
Asami has collaborated with notable individuals in the industry, including Hitoshi Kitayama and Teruo Tsutsumi. These collaborations have likely enriched his work and led to further advancements in his inventions.
Conclusion
Shuji Asami is a distinguished inventor whose work in hydrostatic speaker technology and electronic circuits has made a significant impact in the audio industry. His innovative patents and collaborations reflect his dedication to advancing sound technology.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile