This inventor holds 20 USPTO granted patents, plus 1 CIPO patent, primarily in Digital Signal Processing. Top assignees: Fujitsu Corporation, Nippon Telegraph and Telephone Public Corporation. Active years: 1982-2003.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Yokohama, JP (1982 - 1997)
- Kawasaki, JP (1994 - 2003)
Company Filing History:
20 out of 39,374 
1 out of 522 Years Active: 1982-2003
Areas of Expertise:
Title: Mitsuo Kakuishi: Innovator in Digital Modulation Technologies
Introduction
Mitsuo Kakuishi, an accomplished inventor based in Kawasaki, Japan, holds an impressive portfolio of 20 patents. His innovative contributions primarily focus on digital modulation and detection technologies, making significant impacts in the field of telecommunications.
Latest Patents
Among his latest advancements are the digital modulator and digital demodulator utilizing quadrature amplitude modulation (QAM) schemes. These devices are intricately designed to modulate or demodulate RZ-coded baseband signals. The digital modulator features multiple roll-off filters and inverters, as well as a parallel-to-serial converter that selects outputs based on specific parameters. A digital-to-analog (D/A) converter is incorporated to transform the selected digital signal stream into an analog signal. The operational elements function across varying clock frequencies, ensuring efficient modulation and demodulation. Complementing this is the clock phase detecting circuit, which enhances the performance of multiplex radio apparatus by facilitating precise phase adjustments of clock signals through continuous monitoring of signal outputs.
Career Highlights
Mitsuo Kakuishi has built a distinguished career with significant positions at reputable organizations such as Fujitsu Corporation and Nippon Telegraph and Telephone Public Corporation. His time at these companies enabled him to collaborate on cutting-edge technologies that have facilitated advancements in telecommunications.
Collaborations
Throughout his career, Kakuishi has had the opportunity to work alongside prominent coworkers including Yutaka Awata and Nobukazu Koizumi. These collaborations have played a pivotal role in fostering innovation and refining the technologies at the heart of his patents.
Conclusion
Mitsuo Kakuishi’s contributions to the field of digital modulation and detection are profound, evidenced by his 20 patents and collaborations with notable professionals. His ongoing work continues to push the boundaries of what is possible in telecommunications, ensuring that his innovations will have lasting impacts on the industry.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile