Company Filing History:

14 out of 42,496

Hitachi, Ltd.

patents

1 out of 162

Hitachi Engineering Co., Ltd.

patents

1 out of 149

Hitachi Microcomputer Engineering, Ltd.

patents

where one patent can have more than one assignee

Years Active: 1978-1997

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14 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5703778 - Traffic control method for relieving vehicle congestion on parallel roads (1997-12-30),

2. 5646853 - Traffic control system (1997-07-08),

3. 5530441 - Traffic flow measuring method and apparatus (1996-06-25),

4. 5335180 - Method and apparatus for controlling moving body and facilities (1994-08-02),

5. 5283573 - Traffic flow measuring method and apparatus (1994-02-01),

6. 5159664 - Graphic display apparatus (1992-10-27),

7. 5065335 - Decoding type select logic generating method (1991-11-12),

8. 4982438 - Apparatus and method for recognizing three-dimensional shape of object (1991-01-01),

9. 4974175 - Drawing information processing method and apparatus (1990-11-27),

10. 4964056 - Automatic design system of logic circuit (1990-10-16),

11. 4937755 - Production system for an expert system (1990-06-26),

12. 4517644 - Symmetry type loop communication system (1985-05-14),

13. 4500951 - Plant control system (1985-02-19),

14. 4109808 - Method of storing articles in a warehouse to form an imaginary link of (1978-08-29),

Title: Nobuhiro Hamada: Innovator in Traffic Control Technologies

Introduction

Nobuhiro Hamada is a prominent inventor based in Hitachiota, Japan. He has made significant contributions to the field of traffic control, holding a total of 14 patents. His innovative approaches aim to alleviate vehicle congestion and enhance the efficiency of road traffic systems.

Latest Patents

One of Hamada's latest patents is a traffic control method designed to relieve vehicle congestion on parallel roads. This method maximizes the number of vehicles allowed to run on a road while minimizing the time required for vehicles to reach their destinations. It achieves this by preventing and alleviating congestion through a systematic control of traffic on multiple parallel roads. The method involves detecting traffic in both directions on each road and adjusting the lane ratios based on the detected traffic conditions.

Another notable patent is a comprehensive traffic control system. This system includes a road information storing unit that maintains a road map and the capacity of roads, a traffic measuring unit for assessing road traffic, and a calculating unit that determines traffic increase or decrease between main points. By analyzing these factors, the system can effectively manage traffic flow, prevent congestion, and optimize travel times.

Career Highlights

Hamada has worked with reputable companies such as Hitachi, Ltd. and Hitachi Engineering Co., Ltd. His experience in these organizations has allowed him to develop and refine his innovative traffic control technologies.

Collaborations

Throughout his career, Hamada has collaborated with notable colleagues, including Kazunori Takahashi and Takayoshi Yokota. These partnerships have contributed to the advancement of his research and the successful implementation of his inventions.

Conclusion

Nobuhiro Hamada is a distinguished inventor whose work in traffic control technologies has the potential to transform road management systems. His innovative patents reflect a commitment to improving traffic flow and reducing congestion, ultimately enhancing the driving experience for all.

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