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For the Inventor, By the Inventor

Osaka, Japan

Shinichi Ijima

This inventor holds 18 USPTO granted patents and 1 published patent application. Top assignees: Matsushita Electric Industrial Co., Ltd., Panasonic Corporation, Nalux Co., Ltd.. Active years: 2002-2013.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shinichi Ijima. Retrieved from https://idiyas.com/inventor/shinichi-ijima

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

USPTO Granted Patents = 18 

% Patents Active = 38.9

Average Co-Inventor Count = 4.2

ph-index = 5

Forward Citations = 90(Granted Patents)


Location History:

  • Takatsuki, JP (2002 - 2007)
  • Osaka, JP (2002 - 2013)

Company Filing History:

goldMedal14 out of 27,375 
 
Matsushita Electric Industrial Co., Ltd.
 patents
silverMedal4 out of 16,454 
 
Panasonic Corporation
 patents
bronzeMedal1 out of 58 
 
Nalux Co., Ltd.
 patents
where one patent can have more than one assignee

Years Active: 2002-2013

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18 patents (USPTO):Explore Patents
1. 8471373 - Resin-sealed semiconductor device and method for fabricating the same (2013-06-25),
2. 7970033 - Semiconductor device and electronic equipment using same (2011-06-28),
3. 7830773 - Optical pickup for recording and reproducing information with a plurality of types of optical information recording mediums (2010-11-09),
4. 7822090 - Semiconductor device (2010-10-26),
5. 7209427 - Optical pickup with reduced size (2007-04-24),
6. 7139235 - Optical element with diffraction grating, semiconductor device, and optical information recording device employing the same (2006-11-21),
7. 7014798 - Method for manufacturing an optical pickup (2006-03-21),
8. 6947213 - Diffractive optical element that polarizes light and an optical pickup using the same (2005-09-20),
9. 6735024 - Optical pickup with improved optical properties (2004-05-11),
10. 6728035 - Optical device with diffraction grating having plural grating regions (2004-04-27),
11. 6728034 - Diffractive optical element that polarizes light and an optical pickup using the same (2004-04-27),
12. 6665238 - Lens driving device, an optical pickup including the lens driving device, and a production method for the lens driving device (2003-12-16),
13. 6614743 - Semiconductor laser device (2003-09-02),
14. 6597642 - Photodetector unit, and optical pickup, optical reproduction apparatus, and optical recording apparatus equipped with the same (2003-07-22),
15. 6587283 - Optical-component-integrated optical pickup (2003-07-01),

Title: The Innovative Contributions of Shinichi Ijima

Introduction: Shinichi Ijima, an accomplished inventor based in Osaka, Japan, has made significant strides in the field of semiconductor technology. With a remarkable portfolio of 18 patents to his name, his insights and innovations have paved the way for advancements in electronics and device fabrication.

Latest Patents: One of Ijima's notable recent patents is the "Resin-sealed semiconductor device and method for fabricating the same." This invention outlines a resin-sealed semiconductor device that integrates both a power element and a control element. Its design incorporates two lead frames with die pads that securely hold the respective elements, all encapsulated within a resin housing. The unique arrangement allows for overlapping die pads, optimizing space and functionality within the device.

Another recent patent is titled "Semiconductor device and electronic equipment using same." This innovation features a semiconductor device that includes a first lead with an element mounting portion and a second lead aligned in the same plane. The resin molding encapsulant ensures secure mounting while leaving a resin injection hole mark, enhancing the structural integrity of the device. Both patents exemplify Ijima's commitment to improving semiconductor technologies.

Career Highlights: Throughout his career, Shinichi Ijima has worked for esteemed companies such as Matsushita Electric Industrial Co., Ltd. and Panasonic Corporation. His roles in these prominent organizations have allowed him to contribute to groundbreaking advancements in the semiconductor field, thereby solidifying his reputation as a leading inventor.

Collaborations: Ijima's journey has also been marked by productive collaborations with notable colleagues like Hideyuki Nakanishi and Shoichi Takasuka. Working alongside such talented individuals has further fueled his innovative spirit and contributed to significant developments in their projects.

Conclusion: Shinichi Ijima is a distinguished inventor whose work continues to impact the semiconductor industry positively. His 18 patents illustrate his innovative mind and dedication to enhancing electronic devices, ensuring that his legacy in technological advancement will be felt for years to come.

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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