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For the Inventor, By the Inventor

Kanagawa, Japan

Mitsuhiro Otokawa

This inventor holds 12 USPTO granted patents. Top assignee: Canon Kabushiki Kaisha. Active years: 1988-1993.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Mitsuhiro Otokawa. Retrieved from https://idiyas.com/inventor/mitsuhiro-otokawa

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

USPTO Granted Patents = 12

% Patents Active = 100.0

Average Co-Inventor Count = 2.7

ph-index = 6

Forward Citations = 82(Granted Patents)


Location History:

  • Yokohama, JP (1988 - 1992)
  • Kanagawa, JP (1989 - 1993)

Company Filing History:

goldMedal12 out of 92,994 
 
Canon Kabushiki Kaisha
 patents

Years Active: 1988-1993

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12 patents (USPTO):Explore Patents
1. 5229891 - Tracking control system using single frequency pilot signal (1993-07-20),
2. 5091897 - Magneto-optical recording apparatus having means for delaying an input (1992-02-25),
3. 5010424 - Recording apparatus for an information signal with a plural kinds of (1991-04-23),
4. 5004965 - Brushless motor with torque compensation (1991-04-02),
5. 4951162 - Tracking control system with pilot signal phase setting circuitry (1990-08-21),
6. 4905108 - Rotary head type reproducing apparatus with tracking control function (1990-02-27),
7. 4897739 - Multi-channel recording apparatus using a plurality of heads in turn (1990-01-30),
8. 4879609 - Rotary head type recording apparatus having an erasing function based on (1989-11-07),
9. 4843491 - Recording and reproducing apparatus with track pitch detection (1989-06-27),
10. 4825307 - Information signal recording apparatus (1989-04-25),
11. 4802031 - Tracking control using signals reproduced by erase head (1989-01-31),
12. 4785360 - Recording and reproducing apparatus having tracking control responsive (1988-11-15),

Title: The Innovative Contributions of Mitsuhiro Otokawa

Introduction

Mitsuhiro Otokawa, an esteemed inventor based in Kanagawa, Japan, has made significant strides in the realm of technology with a noteworthy portfolio of 12 patents. His work primarily focuses on advanced recording technologies, showcasing his expertise and innovative spirit in the field.

Latest Patents

Otokawa's latest patents highlight his dedication to improving recording methods. One of his prominent inventions is a tracking control system utilizing a single frequency pilot signal. This innovative system records an information signal on a medium with parallel tracks, employing a pilot signal to enhance the accuracy of data retrieval. The pilot signal is strategically recorded in adjacent tracks, ensuring precise control between the recording medium and the reproducing head during signal playback.

Another significant patent is for a magneto-optical recording apparatus equipped with a delay mechanism for input signals. This invention improves the alignment of recorded bits with input signals, thus enhancing the overall fidelity of data storage on magneto-optical media. Both patents reflect Otokawa's commitment to pushing the boundaries of recording technology.

Career Highlights

Mitsuhiro Otokawa's career has been closely intertwined with Canon Inc., also known as Canon Kabushiki Kaisha. His role in this prestigious organization has allowed him to contribute to various innovative projects, further establishing his reputation as a leading inventor in the industry.

Collaborations

Throughout his career, Otokawa has collaborated with talented individuals such as Kenichi Nagasawa and Hiroyuki Takimoto. These partnerships have not only facilitated the exchange of ideas but have also led to the development of impactful inventions that have influenced the technology sector.

Conclusion

Mitsuhiro Otokawa's impressive portfolio of patents and his contributions to Canon Inc. exemplify his innovative prowess and dedication to advancing recording technologies. As he continues to explore new ideas and push the limits of invention, Otokawa remains a prominent figure in the landscape of technological innovation.

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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