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For the Inventor, By the Inventor

Yokohama, Japan

Haruhisa Iida

This inventor holds 7 USPTO granted patents. Top assignee: Nikon Corporation. Active years: 1992-2000.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Haruhisa Iida. Retrieved from https://idiyas.com/inventor/haruhisa-iida-t06bp4k7

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 = 1.4

ph-index = 4

Forward Citations = 48(Granted Patents)


Location History:

  • Tokyo, JP (1992 - 1993)
  • Yokohama, JP (1995 - 1999)
  • Kawasaki, JP (2000)

Company Filing History:

goldMedal7 out of 8,997 
 
Nikon Corporation
 patents

Years Active: 1992-2000

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7 patents (USPTO):Explore Patents
1. 6111841 - Apparatus for and method of controlling playback light intensity for an (2000-08-29),
2. 5886973 - Optical disk and playback method for setting an optimum playback beam (1999-03-23),
3. 5793723 - Method and a system for adjusting optical recording device involving an (1998-08-11),
4. 5626965 - Magnetooptical recording medium (1997-05-06),
5. 5389455 - Over-write capable magnetooptical recording medium having C/N ratio (1995-02-14),
6. 5258973 - Method of pre-processing over-write capable magnetooptical recording (1993-11-02),
7. 5128910 - Magnetooptical recording method and apparatus used therefor (1992-07-07),

Title: Haruhisa Iida: Innovator in Optical Playback Technology

Introduction

Haruhisa Iida is a prominent inventor based in Yokohama, Japan. He has made significant contributions to the field of optical playback technology, holding a total of 7 patents. His work focuses on enhancing the efficiency and accuracy of recording and playback devices.

Latest Patents

Iida's latest patents include an innovative apparatus for controlling playback light intensity. This device features a recording and playback controller that determines the temperature of the recording medium. The controller achieves this by finding a recording light intensity that matches the duty ratio of the playback light signal with the data to be recorded. Additionally, it can measure the temperature using a temperature sensor. Based on the temperature, the device calculates the optimal playback light intensity to maintain a constant temperature distribution in the illuminated portion of the medium. Another notable patent involves an optical disk and playback method designed to set an optimum playback beam. This method allows for increased data density and accurate playback of high-resolution data by first reading playback beam intensity data and then adjusting the playback beam intensity accordingly.

Career Highlights

Haruhisa Iida is currently employed at Nikon Corporation, a leading company in imaging and optical products. His work at Nikon has allowed him to push the boundaries of optical technology and contribute to advancements in the industry.

Collaborations

Iida has collaborated with notable colleagues such as Hiroyuki Matsumoto and Jun Saito. Their combined expertise has fostered innovation and development in optical playback technologies.

Conclusion

Haruhisa Iida's contributions to optical playback technology have significantly impacted the industry. His innovative patents and collaborations continue to drive advancements in this field.

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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