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For the Inventor, By the Inventor

Neyagawa, Japan

Haruhisa Tomoda

This inventor holds 7 USPTO granted patents. Top assignee: Matsushita Electric Industrial Co., Ltd.. Active years: 1990-1993.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Haruhisa Tomoda. Retrieved from https://idiyas.com/inventor/haruhisa-tomoda

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 7

% Patents Active = 100.0

Average Co-Inventor Count = 2.1

ph-index = 6

Forward Citations = 90(Granted Patents)


Location History:

  • Kashihara, JP (1990 - 1991)
  • Neyagawa, JP (1990 - 1993)

Company Filing History:

goldMedal7 out of 27,375 
 
Matsushita Electric Industrial Co., Ltd.
 patents

Years Active: 1990-1993

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7 patents (USPTO):Explore Patents
1. 5197051 - Device for specifying and calculating a play time of an optical disk (1993-03-23),
2. 5029153 - Optical disk reproducing device (1991-07-02),
3. 5008875 - Optical disc reproducing apparatus having display indicating program (1991-04-16),
4. 5008872 - Optical disc reproduction apparatus which detects maximum audio signal (1991-04-16),
5. 4991159 - Time display device for an apparatus for playing information recorded on (1991-02-05),
6. 4916682 - Optical disk apparatus with remaining time specification (1990-04-10),
7. 4894814 - Optical disc player with pause function in response to elapsed preset (1990-01-16),

Title: Haruhisa Tomoda: Innovator in Optical Disk Technology

Introduction

Haruhisa Tomoda is a notable inventor based in Neyagawa, Japan. He has made significant contributions to the field of optical disk technology, holding a total of 7 patents. His work focuses on enhancing the functionality and efficiency of optical disk players and recording devices.

Latest Patents

One of Tomoda's latest patents is a device for specifying and calculating a play time of an optical disk. This innovative device allows for the reproduction time of an optical disk player to be specified and calculated to align with the recording length of one side of a magnetic tape. The device includes a recording length specifying unit, a display unit, a reproduction time calculating unit, and an audio segment determining unit. These components work together to ensure that audio information stored on an optical disk can be effectively reproduced and recorded on magnetic tape.

Another significant patent is the optical disk reproducing device, which is designed for recording multiple music pieces from an optical disk onto a magnetic recording medium. This device simplifies the editing process and optimizes the number of music pieces that can be recorded, minimizing the remaining time on the recording tape. It sequentially stores the number of music pieces that can be recorded within a predetermined edition time and automatically calculates the best options for recording.

Career Highlights

Haruhisa Tomoda is currently employed at Matsushita Electric Industrial Co., Ltd., a company renowned for its advancements in electronics and technology. His work at Matsushita has allowed him to develop innovative solutions that enhance the user experience with optical media.

Collaborations

Tomoda has collaborated with notable coworkers such as Yasuomi Shimada and Susumu Kinoshita. Their combined expertise has contributed to the successful development of various technologies in the field.

Conclusion

Haruhisa Tomoda's contributions to optical disk technology have made a significant impact on the industry. His innovative patents demonstrate his commitment to improving audio reproduction and recording methods.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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