Company Filing History:

12 out of 3,252

Nippondenso Co., Ltd.

patents

4 out of 1,838

Toyota Jidosha Kogyo Kabushiki Kaisha

patents

1 out of 36,713

Toyota Jidosha Kabushiki Kaisha

patents

where one patent can have more than one assignee

Years Active: 1979-1994

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12 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5341301 - Diversity type global positioning system for motor vehicles (1994-08-23),

2. 4792907 - Vehicle navigation system (1988-12-20),

3. 4777618 - Method of storing, indicating or producing signals and apparatus for (1988-10-11),

4. 4558417 - Computer based engine control with lower priority interrupt requests (1985-12-10),

5. 4553208 - Engine control event timing employing both crank angle rotation and time (1985-11-12),

6. 4510910 - Ignition timing control method and apparatus for internal combustion (1985-04-16),

7. 4476532 - Method and apparatus for controlling the duty cycle of an off-on type (1984-10-09),

8. 4467765 - Method and system for operating an engine at maximum torque with (1984-08-28),

9. 4347570 - Method and apparatus for controlling ignition coil energization (1982-08-31),

10. 4181884 - Rotational position detection device using a reference mark and two (1980-01-01),

11. 4163282 - Electrical control method and apparatus for combustion engines (1979-07-31),

12. 4145608 - Rotational reference position detecting apparatus (1979-03-20),

Title: Hiroyasu Fukaya: Innovator in Vehicle Navigation Systems

Introduction

Hiroyasu Fukaya is a prominent inventor based in Nagoya, Japan. He has made significant contributions to the field of vehicle navigation systems, holding a total of 12 patents. His innovative designs have enhanced the functionality and accuracy of global positioning systems (GPS) for motor vehicles.

Latest Patents

One of Fukaya's latest patents is a diversity type global positioning system for motor vehicles. This system features first and second antennas mounted at different locations inside the vehicle. It utilizes high-frequency amplifiers and an antenna changer to optimize signal reception from satellites. The system's arithmetic and control unit computes the vehicle's position based on demodulated data from multiple satellites, improving navigation accuracy.

Another notable patent is a vehicle navigation system that detects traveling conditions and calculates the vehicle's present position. This system holds data on preset reference points at intersections and straight roads. It selects a target reference point for the vehicle and adjusts the calculated position accordingly, ensuring precise navigation.

Career Highlights

Fukaya has worked with notable companies such as Nippondenso Co., Ltd. and Toyota Motor Corporation. His experience in these leading automotive firms has allowed him to develop and refine his innovative ideas in vehicle technology.

Collaborations

Throughout his career, Fukaya has collaborated with esteemed colleagues, including Susumu Akiyama and Kenzo Ito. Their combined expertise has contributed to the advancement of vehicle navigation systems.

Conclusion

Hiroyasu Fukaya's contributions to vehicle navigation technology have made a lasting impact on the industry. His innovative patents continue to enhance the safety and efficiency of motor vehicle navigation systems.

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