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For the Inventor, By the Inventor

Minamitsuru, Japan

Mitsunori Ishizaka

This inventor holds 9 USPTO granted patents. Top assignee: Citizen Electronics Co., Ltd.. Active years: 2006-2010.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Mitsunori Ishizaka. Retrieved from https://idiyas.com/inventor/mitsunori-ishizaka

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

USPTO Granted Patents = 9

% Patents Active = 77.8

Average Co-Inventor Count = 1.8

ph-index = 5

Forward Citations = 92(Granted Patents)


Location History:

  • Fujiyoshida, JP (2007)
  • Fujikawaguchiko-machi, JP (2006 - 2009)
  • Yamanashi, JP (2007 - 2010)
  • Minamitsuru-gun, JP (2009 - 2010)

Company Filing History:

goldMedal9 out of 608 
 
Citizen Electronics Co., Ltd.
 patents

Years Active: 2006-2010

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9 patents (USPTO):Explore Patents
1. 7731405 - Side-emission type light-emitting diode and a backlight unit using the light-emitting diode (2010-06-08),
2. 7728342 - Light emitting apparatus method for producing it and assembly incorporating it (2010-06-01),
3. 7560748 - Light emitting diode unit (2009-07-14),
4. D590356 - Light-emitting diode (2009-04-14),
5. 7517132 - Light-emitting and light-receiving backlight unit, and information device using the light-emitting and light-receiving backlight unit (2009-04-14),
6. 7245794 - Surface mount module (2007-07-17),
7. 7193365 - High-intensity light emitting diode with concave and convex shaped light scattering portions formed on a cover (2007-03-20),
8. D524260 - Light emitting diode (2006-07-04),
9. D515043 - Light emitting diode (2006-02-14),

Title: The Innovative Contributions of Mitsunori Ishizaka

Introduction

Mitsunori Ishizaka, an accomplished inventor based in Minamitsuru-gun, Japan, has made significant strides in the field of light-emitting technology. With a portfolio of nine patents, he has contributed innovative solutions that enhance the efficiency and performance of light-emitting diodes (LEDs).

Latest Patents

Ishizaka's latest patents focus on cutting-edge advancements in LED technology. One notable innovation is the side-emission type light-emitting diode, which features a first substrate with a concavity designed for optimal light reflection. This design includes a thin plate-shaped LED-element-mounting board that closes off the concavity, effectively sealing the LED element with light-transmitting resin. Another important patent is a method for producing a light-emitting apparatus, which consists of a substrate with an LED chip mounted on it, surrounded by a light-transmitting member and sealed with resin. This innovative approach improves assembly efficiency and performance.

Career Highlights

Mitsunori Ishizaka is currently employed at Citizen Electronics Co., Ltd., where he continues to drive innovation in the LED sector. His work at the company has positioned him as a leading figure in the development of advanced light-emitting technologies, contributing significantly to the industry.

Collaborations

Throughout his career, Ishizaka has collaborated with talented colleagues such as Hirohiko Ishii and Teppei Takano. Together, they have worked diligently to push the boundaries of LED technology, fostering an environment of innovation and excellence within their organization.

Conclusion

Mitsunori Ishizaka's contributions to the field of light-emitting diodes have made a lasting impact on the industry. With a total of nine patents under his name, he exemplifies the spirit of innovation and dedication that characterizes the engineering field. His work not only enhances current technologies but also paves the way for future advancements in lighting solutions.

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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