Naoyuki Kato

Title: Naoyuki Kato: Innovator in Frequency Divider and PLL Circuit Technologies

Introduction

Naoyuki Kato is a prominent inventor based in Hyogo, Japan. He has made significant contributions to the field of electronics, particularly in the development of variable frequency divider circuits and phase-locked loop (PLL) circuits. With a total of 2 patents to his name, Kato's work has had a notable impact on modern electronic systems.

Latest Patents

Kato's latest patents include a variable frequency divider circuit and a PLL circuit. The variable frequency divider circuit is designed using a latch train, where the frequency division ratio is set by selectively invalidating a feedback signal to the first stage latch from the last stage latch. This innovative design features larger MOS transistors for switching the division ratio, ensuring stable operation with low current consumption under low power supply voltage conditions. The PLL circuit, on the other hand, incorporates a delay circuit that adjusts its delay time in negative correlation with the supply current. This adaptability allows for a reduction in lock-up time, enhancing the efficiency of phase comparison in charge pump circuits.

Career Highlights

Naoyuki Kato is associated with Mitsubishi Electric Corporation, where he has been instrumental in advancing electronic technologies. His expertise in circuit design and innovation has positioned him as a key figure in the development of efficient electronic systems.

Collaborations

Kato has collaborated with notable colleagues such as Hisayasu Satoh and Tetsuya Iga. Their combined efforts have contributed to the successful development of advanced electronic solutions.

Conclusion

Naoyuki Kato's contributions to the field of electronics through his patents and collaborations highlight his role as an influential inventor. His work continues to shape the future of electronic circuit design and innovation.