Average Co-Inventor Count = 3.9

ph-index = 12

Forward Citations = 483(Granted Patents)

Location History:

Yokohama, JA (1976)
Yokoshuka, JP (1986)
Kanagawa, JP (1986 - 1997)
Yokosuka, JP (1979 - 1998)

Company Filing History:

Hitachi America, Ltd.

Hitachi Electronics Co., Ltd.

patents

where one patent can have more than one assignee

Years Active: 1976-1998

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19 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5729649 - Methods and apparatus for recording data on a digital storage medium in (1998-03-17),

2. 5687275 - Trick play data indentification methods and apparatus for use with (1997-11-11),

3. 5623344 - Digital video recording device with trick play capability (1997-04-22),

4. 5583650 - Digital recording and playback device error correction methods and (1996-12-10),

5. 5459585 - Apparatus and method of storing image signals (1995-10-17),

6. 4843493 - Rotary head type magnetic recording and reproducing apparatus and method (1989-06-27),

7. 4642708 - Magnetic recording and reproducing apparatus (1987-02-10),

8. 4604659 - Apparatus for detecting a drop-out in a magnetic recording/reproducing (1986-08-05),

9. 4581659 - Method and apparatus for reproducing information at variable speeds from (1986-04-08),

10. 4507690 - Device for controlling consecutive recording of video information (1985-03-26),

11. 4453186 - Video and sound signal recording and reproducing device (1984-06-05),

12. 4338645 - Tape running time indication system (1982-07-06),

13. 4325081 - Programmed timer for VTR (1982-04-13),

14. 4153922 - Relay control circuit (1979-05-08),

15. 4142375 - Control apparatus for air conditioning unit (1979-03-06),

Title: **Katsuo Mohri: A Pioneer in Digital Video Technology**

Introduction

Katsuo Mohri, a distinguished inventor based in Yokosuka, Japan, holds an impressive portfolio of 19 patents. His work has significantly advanced the field of digital video technology, particularly in the areas of data recording and playback. His innovations have facilitated better methods for handling video data during various playback modes.

Latest Patents

Among his latest patents, one notable invention is the method and apparatus for recording data on a digital storage medium within a digital video tape recorder (VTR). This invention focuses on optimizing the selection and arrangement of data during trick playback operations. By strategically recording data in trick play tape segments arranged on the tape, Mohri's invention allows for fast scan tracks and multi-speed playback tracks to be created. These innovative tracks enable recognizable images to be generated during playback at various speeds and directions, effectively overcoming common tracking errors.

Another significant patent details methods of operating a digital video recording and playback device for identifying trick play data. This invention involves the recording of headers containing specific trick play information alongside the data, distinguishing it from normal play operation data. By identifying speeds and directions of playback, this technology furthers the efficiency and usability of video devices.

Career Highlights

Katsuo Mohri's career includes valuable experience with leading technology companies such as Hitachi, Ltd. and Hitachi America, Ltd. His contributions to the field of digital video technology have been transformative, and his patents reflect a deep understanding of video playback mechanics.

Collaborations

Throughout his career, Mohri has collaborated with notable colleagues, including Takaharu Noguchi and Nobuo Azuma. Together, these innovators have worked on projects that have propelled advancements in digital video technology, contributing to Mohri's significant patent portfolio.

Conclusion

In conclusion, Katsuo Mohri exemplifies the role of an innovative inventor in the realm of digital technology. His patented methodologies and apparatus have not only improved data recording and playback in digital video tape recorders but also provided a framework for future advancements in the industry. With a focus on enhancing user experience during playback, his contributions ensure that he remains a prominent figure in the landscape of technological innovation.

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