Location History:
- Kanagawa-ken, JP (2006)
- San Jose, CA (US) (2006 - 2016)
- Zama, JP (2001 - 2019)
Company Filing History:
22 out of 2,636 
15 out of 987 
4 out of 164,108 
Years Active: 2001-2019
Title: Innovations of Tetsuo Semba in Data Storage Technology
Introduction
Tetsuo Semba is a prominent inventor based in San Jose, California, known for his significant contributions to data storage technology. With an impressive portfolio of 44 patents, Semba has been instrumental in advancing the efficiency and effectiveness of data storage devices in the industry.
Latest Patents
Among his latest innovations, Semba has patented a data storage device employing a nominal and adaptive multi-actuator decoupler. This invention introduces a first actuator that actuates a first head over a first disk surface, along with a second actuator for a second head over a second disk surface. The technology employs a seeking control signal filtered through a decoupler, which comprises both a nominal and an adaptive component, ensuring precise access to stored data across multiple disk surfaces.
Another noteworthy patent from Semba includes a data storage device designed to attenuate disturbances that arise from multiple actuator coupling. This invention involves the use of a first actuator operated based on a feed-forward seek profile to seek the first head over a disk, while a second actuator positions the second head on a corresponding data track. By processing the seek profile, this invention adeptly mitigates coupling disturbances, greatly enhancing the reliability of data retrieval.
Career Highlights
Semba has played a pivotal role in leading-edge technology at companies such as Hitachi Global Storage Technologies and HGST Netherlands. His innovative mindset and technical acumen have enabled him to push the boundaries of what is possible in data storage solutions, earning recognition and respect within the tech community.
Collaborations
Throughout his career, Semba has worked alongside talented individuals such as Toshiki Hirano and Matthew Taylor White. Their collaborations have undoubtedly contributed to the successful development of numerous inventions and patents in the field of data storage.
Conclusion
Tetsuo Semba's contributions to the realm of data storage technology exemplify the power of innovation and collaborative effort. His extensive patent portfolio is a testament to his skill as an inventor and his commitment to advancing technology to meet the growing demands of the digital world. As data storage continues to evolve, Semba's innovations will undoubtedly have a lasting impact on the industry.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.