Company Filing History:

12 out of 42,485

Hitachi, Ltd.

where one patent can have more than one assignee

Years Active: 1977-2002

Loading Chart...

12 patents (USPTO):Sort by Forward Citations

Abstract keywords

1. 6339676 - Video signal recording and reproducing apparatus compatible with analog and digital video signal recording and reproducing (2002-01-15),

2. 6195499 - Magnetic recording and/or reproducing apparatus (2001-02-27),

3. 6104862 - Video signal recording and reproducing apparatus compatible with analog (2000-08-15),

4. 5363263 - Coil assembly for rotary magnetic head apparatus (1994-11-08),

5. 5193045 - Helical scan type magnetic recording and/or reproducing apparatus having (1993-03-09),

6. 5126906 - Rotary magnetic head device with rotary transformer having high coupling (1992-06-30),

7. 5067038 - Rotary magnetic head device having two different kinds of heads (1991-11-19),

8. 5057944 - Multiplex rotating magnetic head system for multiply recording and (1991-10-15),

9. 5047885 - Magnetic head formed of thin metal film including a chevron shape (1991-09-10),

10. 4803338 - Magnetic head having improved track width narrowing grooves (1989-02-07),

11. 4439794 - Magnetic head (1984-03-27),

12. 4021798 - Liquid crystal display panel and method for driving the same (1977-05-03),

Title: The Innovations of Hideo Zama

Introduction

Hideo Zama, an accomplished inventor located in Katsuta, Japan, has made significant contributions to the field of video technology. With a portfolio of 12 patents, his work primarily focuses on the recording and reproducing of both analog and digital video signals.

Latest Patents

Among Zama's latest innovations is a "Video signal recording and reproducing apparatus compatible with analog and digital video signal recording and reproducing." This apparatus utilizes a head configuration that is compatible with traditional VTRs, ensuring seamless exchangeability with existing analog systems. It effectively records analog video and audio signals on separate tracks while simultaneously managing digital signals across adjacent tracks. Additionally, Zama has developed a "magnetic recording and/or reproducing apparatus" that features various recording/reproducing modes, including those optimized for long-duration and high-rate digital signal processing. This apparatus ingeniously employs magnetic heads with specific azimuth angles to achieve ideal recording patterns for diverse applications.

Career Highlights

Throughout his career, Zama has collaborated with notable companies such as Hitachi, Ltd. and Hitachi Metals, Ltd. His experience at these leading organizations has undoubtedly enriched his expertise and influence in the industry.

Collaborations

Zama has worked alongside distinguished colleagues like Juichi Morikawa and Noriyuki Kumasaka. Their collaborations have contributed to the innovative solutions and advancements in the technologies they pursued together.

Conclusion

Hideo Zama's contributions to the realm of video technology exemplify his dedication to innovation. His patents reflect a deep understanding of both analog and digital systems, positioning him as a noteworthy inventor in the industry. As technologies continue to evolve, Zama's work will likely inspire future advancements in video recording and reproduction techniques.

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

Please report any incorrect information to support@idiyas.com

Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.