Company Filing History:

11 out of 90,753

Canon Kabushiki Kaisha

patents

1 out of 27,375

Matsushita Electric Industrial Co., Ltd.

patents

where one patent can have more than one assignee

Years Active: 1991-2020

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11 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 10630356 - Communication apparatus and method of controlling the same (2020-04-21),

2. 7791996 - PLL circuit operating based on output of delta-sigma modulator, and optical disk device including PLL circuit (2010-09-07),

3. 7200072 - Domain wall displacement magneto-optical recording and reproducing apparatus (2007-04-03),

4. 7020049 - Apparatus using a detected light beam power at a start of change of a magnetized state for setting a reproducing light beam (2006-03-28),

5. 6980491 - Domain wall displacement type magneto-optical recording medium and recording method (2005-12-27),

6. 6377746 - Recording apparatus for recording moving and still signals on different parts of tape-shaped recording medium (2002-04-23),

7. 5822145 - Information recording and/or reproducing apparatus using an information (1998-10-13),

8. 5638229 - Method for detecting an information recorded position in an information (1997-06-10),

9. 5561565 - Magnetic tape recording and/or reproducing apparatus with detecting means (1996-10-01),

10. 5249063 - Information signal processing device for offset removal and signal (1993-09-28),

11. 5055351 - Metal thin film type magnetic recording medium (1991-10-08),

Title: Innovations of Katsumi Arisaka: A Visionary Inventor from Kanagawa

Introduction: Katsumi Arisaka is a notable inventor based in Kanagawa, Japan, with an impressive portfolio of 11 patents. His work spans across various technological advances, showcasing his expertise and dedication to innovation in communication and optical technologies.

Latest Patents: Among Arisaka's latest patents is a communication apparatus and method of controlling the same, which incorporates a communication unit designed to connect with external devices utilizing multiple antennas. This apparatus features a detection unit for monitoring its status and a specifying unit that identifies noise components within the signals received from the external apparatus based on its operational state. Another significant invention is a phase-locked loop (PLL) circuit that operates through a delta-sigma modulator. This circuit includes a wobbling detector that captures wobbling signals based on reflected light from optical disks and adjusts the oscillation frequency via a voltage-controlled oscillator (VCO) based on phase errors detected in the system.

Career Highlights: Throughout his career, Katsumi Arisaka has held influential roles at esteemed companies such as Canon and Matsushita Electric Industrial Co., Ltd. His contributions to these organizations have led to significant advancements in their technological offerings, particularly within communication and optical instrumentation.

Collaborations: Arisaka has worked alongside talented individuals in the field, including colleagues Toshiaki Shingu and Tsunenori Yoshinari. Their collaborations have often yielded innovative solutions and further enhanced Arisaka's impact within the industry.

Conclusion: As a prolific inventor, Katsumi Arisaka continues to influence the realms of communication technology and optical systems. His noteworthy patents reflect a commitment to advancing technology and demonstrate his role as a key player in the field of innovation.

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