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For the Inventor, By the Inventor

Kitakatsuragi, Japan

Noboru Fujita

This inventor holds 6 USPTO granted patents. Top assignee: Sharp Kabushiki Kaisha Corporation. Active years: 1999-2008.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Noboru Fujita. Retrieved from https://idiyas.com/inventor/noboru-fujita

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

Calculating rank
USPTO Granted Patents = 6

% Patents Active = 33.3

Average Co-Inventor Count = 3.5

ph-index = 3

Forward Citations = 30(Granted Patents)


Location History:

  • Kashiba, JP (1999)
  • Nara, JP (2006)
  • Kitakatsuragi-gun, JP (2005 - 2008)

Company Filing History:

goldMedal6 out of 26,017 
 
Sharp Kabushiki Kaisha Corporation
 patents

Years Active: 1999-2008

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6 patents (USPTO):Explore Patents
1. 7315502 - Light integration unit, optical pickup device using the unit, and optical disk device (2008-01-01),
2. 7106682 - Optical pickup (2006-09-12),
3. 7031064 - Method of microlens array and projection type of liquid crystal display apparatus (2006-04-18),
4. 6914725 - Method and apparatus for manufacturing micro-lens array substrate (2005-07-05),
5. 6868055 - Optical pickup (2005-03-15),
6. 5862021 - Magnetoresistive effect device utilizing an oxide layer adjacent one of (1999-01-19),

Title: Noboru Fujita: Innovator in Optical Technology

Introduction

Noboru Fujita is a prominent inventor based in Kitakatsuragi-gun, Japan. He has made significant contributions to the field of optical technology, holding a total of 6 patents. His work focuses on enhancing the performance and efficiency of optical devices.

Latest Patents

Fujita's latest patents include a light integration unit, an optical pickup device utilizing this unit, and an optical disk device. The objective of these inventions is to achieve stable tracking servo performance by minimizing offsets caused by shifts in the object lens or tilts of the disk. This is accomplished through a one-beam method that maintains the light quantity of the main beam. A diffraction grating is strategically placed between a hologram and a light receiving section, allowing for variations in diffraction efficiency along the grating's longitudinal direction. This innovation enables the optical pickup to effectively record and playback multiple optical disks with different specifications by utilizing light beams of varying wavelengths.

Career Highlights

Fujita is associated with Sharp Kabushiki Kaisha Corporation, where he has been instrumental in developing advanced optical technologies. His expertise has led to significant advancements in the design and functionality of optical devices.

Collaborations

Fujita has collaborated with notable colleagues, including Tetsuo Ueyama and Keiji Sakai, contributing to the innovative projects at Sharp.

Conclusion

Noboru Fujita's contributions to optical technology have established him as a key figure in the field. His patents reflect a commitment to improving optical device performance and efficiency.

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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