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For the Inventor, By the Inventor

Akishima, Japan

Takefumi Sakurada

This inventor holds 11 USPTO granted patents. Top assignee: Olympus Optical Company, Ltd.. Active years: 1991-1996.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takefumi Sakurada. Retrieved from https://idiyas.com/inventor/takefumi-sakurada

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

USPTO Granted Patents = 11

% Patents Active = 100.0

Average Co-Inventor Count = 2.8

ph-index = 5

Forward Citations = 98(Granted Patents)


Location History:

  • Tokyo, JP (1991 - 1996)
  • Akishima, JP (1993 - 1996)

Company Filing History:

goldMedal11 out of 5,729 
 
Olympus Optical Company, Ltd.
 patents

Years Active: 1991-1996

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11 patents (USPTO):Explore Patents
1. 5583836 - Optical recording/reproducing apparatus capable of multi-track access (1996-12-10),
2. 5568458 - Optical information recording and reproducing apparatus in which (1996-10-22),
3. 5511051 - Optical recording/reproducing apparatus capable of multi-track access (1996-04-23),
4. 5438563 - Optical information recording/reproducing device which simultaneously (1995-08-01),
5. 5402399 - Apparatus and method for reproducing information data from optical cards (1995-03-28),
6. 5400308 - Optical information recording/reproducing device capable of recording (1995-03-21),
7. 5398225 - Optical information recording/regenerating apparatus and track scanning (1995-03-14),
8. 5394385 - Optical information recording/reproducing apparatus for performing (1995-02-28),
9. 5371723 - Recording and reproducing system for use with different arrangements of (1994-12-06),
10. 5192858 - Optical card scanning apparatus (1993-03-09),
11. 5047754 - Display apparatus for displaying a position indicating mark over a (1991-09-10),

Title: Takefumi Sakurada: Innovator in Optical Recording Technology

Introduction

Takefumi Sakurada is a prominent inventor based in Akishima, Japan. He has made significant contributions to the field of optical recording technology, holding a total of 11 patents. His work has advanced the capabilities of optical recording and reproducing apparatuses, making them more efficient and effective.

Latest Patents

Sakurada's latest patents include an optical recording/reproducing apparatus capable of multi-track access. This innovative device utilizes a multi-track read type optical head that allows for simultaneous data reproduction from multiple tracks on an optical card. The light beam is strategically moved to target specific tracks, enhancing the efficiency of data retrieval. Another notable patent is an optical information recording and reproducing apparatus that employs two laser diodes. This system ensures that the light emission conditions are controlled for optimal reproduction, while also managing focus and tracking errors effectively.

Career Highlights

Sakurada has dedicated his career to advancing optical technology. He works at Olympus Optical Company, Ltd., where he continues to innovate and develop new solutions in optical recording. His expertise and inventions have positioned him as a key figure in the industry.

Collaborations

Throughout his career, Sakurada has collaborated with talented individuals such as Naoaki Tani and Takumi Sugaya. These partnerships have fostered a creative environment that has led to groundbreaking advancements in optical technology.

Conclusion

Takefumi Sakurada's contributions to optical recording technology have made a lasting impact on the field. His innovative patents and collaborative efforts continue to push the boundaries of what is possible in optical data management.

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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