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For the Inventor, By the Inventor

Chiba, Japan

Hisashi Negoro

This inventor holds 5 USPTO granted patents. Top assignees: Sony Corporation, Sony Optiarc Inc.. Active years: 2006-2012.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hisashi Negoro. Retrieved from https://idiyas.com/inventor/hisashi-negoro-p5uoemny

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

Calculating rank
USPTO Granted Patents = 5

% Patents Active = 20.0

Average Co-Inventor Count = 3.9

ph-index = 1

Forward Citations = 4(Granted Patents)


Company Filing History:

goldMedal5 out of 58,147 
 
Sony Corporation
 patents
silverMedal1 out of 4 
 
Sony Optiarc Inc.
 patents
where one patent can have more than one assignee

Years Active: 2006-2012

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5 patents (USPTO):Explore Patents
1. 8141109 - Disc drive apparatus and electronic apparatus (2012-03-20),
2. 7350220 - Disk drive unit (2008-03-25),
3. 7269834 - Disc type recording and/or reproducing apparatus (2007-09-11),
4. 7137129 - Disk drive apparatus (2006-11-14),
5. 7017167 - Disc recording and/or reproduction apparatus (2006-03-21),

Title: Hisashi Negoro: Innovator in Disc Drive Technology

Introduction

Hisashi Negoro is a prominent inventor based in Chiba, Japan. He has made significant contributions to the field of electronic apparatus, particularly in disc drive technology. With a total of 5 patents to his name, Negoro has established himself as a key figure in the industry.

Latest Patents

Negoro's latest patents include innovative designs for disc drive apparatuses. One notable invention is a disc drive apparatus that features an outer casing, a disc drive unit with a disc table, a spindle motor, an optical pickup, and a pickup base. This design incorporates a slider that moves in both insertion and ejection directions, enhancing the efficiency of the loading and ejection processes. Additionally, his disk drive unit is designed to prevent dust from adhering to the pickup, ensuring optimal performance.

Career Highlights

Throughout his career, Hisashi Negoro has worked with renowned companies such as Sony Corporation and Sony Optiarc Inc. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking technologies in the field of electronics.

Collaborations

Negoro has collaborated with notable coworkers, including Hideaki Tsutsumi and Manabu Obata. These partnerships have fostered innovation and creativity in his projects, leading to advancements in disc drive technology.

Conclusion

Hisashi Negoro's contributions to the field of electronic apparatus and disc drive technology are noteworthy. His innovative patents and collaborations with industry leaders highlight his impact on the technology landscape.

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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