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For the Inventor, By the Inventor

Hirakata, Japan

Masanori Onishi

This inventor holds 8 USPTO granted patents. Top assignee: Matsushita Electric Industrial Co., Ltd.. Active years: 1978-2003.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masanori Onishi. Retrieved from https://idiyas.com/inventor/masanori-onishi

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

Calculating rank
USPTO Granted Patents = 8

% Patents Active = 100.0

Average Co-Inventor Count = 3.0

ph-index = 4

Forward Citations = 45(Granted Patents)


Location History:

  • Kadoma, JA (1978)
  • Katano, JP (1979)
  • Hirakata, JP (1997 - 2002)
  • Osaka, JP (2003)

Company Filing History:

goldMedal8 out of 27,375 
 
Matsushita Electric Industrial Co., Ltd.
 patents

Years Active: 1978-2003

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8 patents (USPTO):Explore Patents
1. 6529468 - Optical disk driving device having a clamper for correcting warpage of an optical disk (2003-03-04),
2. 6347069 - Optical pickup device and production method of optical pickup device components (2002-02-12),
3. 6335914 - Optical disc device (2002-01-01),
4. 6252840 - Disk changer comprising spindle drive means for a holding claw (2001-06-26),
5. 5771213 - Disc changer (1998-06-23),
6. 5636199 - Automatic disc changer for retrieving a lowermost disc from a stack of (1997-06-03),
7. 4172266 - Magnetic recording-reproducing device (1979-10-23),
8. 4081849 - Push rod type tape recorder operating device (1978-03-28),

Title: Masanori Onishi: Innovator in Optical Technology

Introduction

Masanori Onishi is a prominent inventor based in Hirakata, Japan. He has made significant contributions to the field of optical technology, holding a total of 8 patents. His work focuses on improving the functionality and efficiency of optical devices, particularly in the areas of optical disk drives and optical pickup devices.

Latest Patents

One of Onishi's latest patents is for an optical disk driving device that features a clamper designed to correct warpage in optical disks. This innovation allows for accurate recording and reproduction of disks that may have warpage, eliminating the need for a tilt mechanism. The clamper consists of a central portion that holds the disk against a turntable and an outer portion that applies pressure to the disk's periphery, ensuring that the angle between the light beam and the disk's information surface remains within specified limits for precise reproduction.

Another notable patent involves an optical pickup device and its production method. This invention reduces the number of components required, enhancing workability and leading to cost reductions and improved product quality. The design includes a base stand with guide sections that can engage with a mount base, simplifying the assembly process and increasing operational efficiency.

Career Highlights

Masanori Onishi is associated with Matsushita Electric Industrial Co., Ltd., a company known for its innovations in electronics and technology. His work has significantly impacted the development of optical devices, contributing to advancements in the industry.

Collaborations

Onishi has collaborated with notable coworkers, including Yuji Ariyoshi and Kiyoshi Ishioka. Their combined expertise has fostered a creative environment that has led to the development of groundbreaking technologies in optical systems.

Conclusion

Masanori Onishi's contributions to optical technology through his patents and collaborations highlight his role as an influential inventor in the field. His innovations continue to shape the future of optical devices, ensuring enhanced performance and quality in various applications.

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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