Kariya, Japan

Haruyuki Ishikawa

This inventor holds 2 USPTO granted patents. Top assignee: Kabushiki Kaisha Toyota Jidoshokki. Active years: 2006-2010.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Haruyuki Ishikawa. Retrieved from https://idiyas.com/inventor/haruyuki-ishikawa-gnopk4na

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

Calculating rank

Average Co-Inventor Count = 4.4

ph-index = 2

Forward Citations = 11(Granted Patents)


Company Filing History:


Years Active: 2006-2010

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2 patents (USPTO):Explore Patents

Title: Haruyuki Ishikawa: Innovator in Organic Electroluminescence

Introduction

Haruyuki Ishikawa is a notable inventor based in Kariya, Japan. He has made significant contributions to the field of organic electroluminescence, holding a total of 2 patents. His work focuses on enhancing the efficiency and functionality of light-emitting devices.

Latest Patents

Ishikawa's latest patents include an innovative electric field light-emitting element. This organic EL element features an organic layer sandwiched between a pair of electrodes. One of the electrodes is made from a material with higher volume resistivity and is designed in a flat form. The organic layer contains multiple non-light emitting portions, strategically placed to ensure a uniform current distribution across the element.

Another significant patent involves a transparent substrate for area light-emitting devices. This substrate consists of a light incidence surface and a light exit surface, with several recesses formed on the light exit surface. Each recess is shaped to correspond to a portion of an oval sphere, enhancing the light-emitting capabilities of the device.

Career Highlights

Haruyuki Ishikawa is associated with Kabushiki Kaisha Toyota Jidoshokki, where he continues to innovate in the field of light-emitting technologies. His work has contributed to advancements in display technologies and lighting solutions.

Collaborations

Ishikawa has collaborated with notable coworkers, including Norihito Takeuchi and Fumikazu Isogai. Their combined expertise has fostered a creative environment that promotes innovation in their projects.

Conclusion

Haruyuki Ishikawa's contributions to organic electroluminescence and light-emitting devices highlight his role as a leading inventor in the field. His patents reflect a commitment to advancing technology and improving the efficiency of electronic devices.

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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