Company Filing History:

11 out of 8,780

Sanyo Electric Co., Ltd.

patents

1 out of 13,402

Nissan Motor Company Limited

Tottori Sanyo Electric Co., Ltd.

patents

where one patent can have more than one assignee

Years Active: 1990-2000

Loading Chart...

11 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6122493 - Radio receiver having automatic broadcasting-station selecting function (2000-09-19),

2. 5465408 - AGC circuit for operating in accordance with the nature of the (1995-11-07),

3. 5339453 - AGC circuit for radio receiver having AGC sensitivity compensated by if (1994-08-16),

4. 5321851 - Radio receiver comprising automatic gain controlling function (1994-06-14),

5. 5204973 - Receiver capable of quickly suppressing defective effect of multipath (1993-04-20),

6. 5203031 - AM radio receiver with improved tracking (1993-04-13),

7. 5155570 - Semiconductor integrated circuit having a pattern layout applicable to (1992-10-13),

8. 5111274 - Semiconductor integrated circuit with circuit blocks, dummy islands, and (1992-05-05),

9. 5050238 - Shielded front end receiver circuit with IF amplifier on an IC (1991-09-17),

10. 4955077 - Radio with broad band automatic gain control circuit (1990-09-04),

11. 4955073 - Automatic search tuner (1990-09-04),

Title: The Innovations of Sakae Sugayama

Introduction

Sakae Sugayama is a notable inventor based in Gunma, Japan, recognized for his contributions to the field of radio technology. With a total of 11 patents to his name, Sugayama has made significant advancements that enhance the functionality and efficiency of radio receivers.

Latest Patents

One of Sugayama's latest patents is a radio receiver featuring an automatic broadcasting-station selecting function. This innovative design allows the capacitance value of a variable capacitance element in an RF tuning circuit to be controlled based on a control signal. When an automatic search start signal is activated, the frequencies of the local oscillation signal are adjusted, leading to changes in the received frequencies. A storage circuit is employed to retain control data for each predetermined frequency, which corresponds to the tuning element's frequency characteristics. As local oscillation frequencies are modified, an arithmetic circuit computes the necessary control signal, ensuring that the tuning frequency aligns with the received frequency. Additionally, an Automatic Gain Control (AGC) circuit is integrated to adapt to various signal levels, allowing for optimal reception by regulating RF signal attenuation based on interference detection.

Career Highlights

Throughout his career, Sakae Sugayama has worked with prominent companies such as Sanyo Electric Co., Ltd. and Nissan Motor Company Limited. His experience in these organizations has contributed to his expertise in developing innovative technologies in the radio communication sector.

Collaborations

Sugayama has collaborated with notable individuals in the industry, including Kazuo Tomizuka and Takao Saeki. These partnerships have fostered a creative environment that has led to the development of groundbreaking inventions.

Conclusion

Sakae Sugayama's contributions to radio technology through his patents and collaborations highlight his role as a significant inventor in the field. His innovative designs continue to influence advancements in communication technology.

This text is generated by artificial intelligence and may not be accurate.

Please report any incorrect information to support@idiyas.com