Location History:
- Yokosuka, JP (2010)
- Tokyo, JP (1984 - 2012)
- Yokohama, JP (1984 - 2013)
- Kanagawa, JP (1993 - 2015)
Company Filing History:
12 out of 1,379 
6 out of 4,714 
2 out of 10,092 
Years Active: 1984-2015
Title: The Innovative Journey of Katsumi Sekiguchi
Introduction: Katsumi Sekiguchi, based in Kanagawa, Japan, is a prolific inventor known for his significant contributions to communication technologies. With an impressive portfolio of 22 patents, his work reflects a deep understanding of the complexities of mobile communications and data transmission.
Latest Patents: Sekiguchi's latest innovations include a "Transfer Device" aimed at enhancing user access to information services through mobile stations. The user pre-registers with a gateway server for information from various IP providers. When information becomes available, it is transformed into electronic mail, which includes user attribute data before being forwarded to the gateway server. This server then manages the delivery of information to relevant users efficiently.
Another notable patent involves a "Communication Device and Communication Method." This invention addresses issues related to the F-RTO algorithm combined with the exponential backoff algorithm. It proposes a method to prevent repetitive spurious timeouts during data segment retransmissions, enhancing the reliability of data communications.
Career Highlights: Throughout his career, Katsumi Sekiguchi has contributed to major companies such as Mitsui Toatsu Chemicals, Incorporated and NTT Docomo, Inc. His experience in these prominent organizations has undoubtedly shaped his innovative thinking and technical prowess.
Collaborations: Throughout his professional journey, Sekiguchi has collaborated with esteemed colleagues such as Yoichi Kawai and Masaru Abe. These collaborations have likely played a vital role in refining his inventions and expanding their impact within the industry.
Conclusion: With 22 patents to his name, Katsumi Sekiguchi exemplifies the spirit of innovation in communication technology. His recent inventions not only address current challenges but also pave the way for future advancements in the field. As he continues to push the boundaries of technology, his work remains a testament to the critical role of inventors in shaping modern communication.